List of lichens of Maryland

The following list of lichens of Maryland is derived from the following sources:
 * (1) lichens listed in the 1977 publication by Skorepa (Allen C. Skorepa), Norden, and Windler.
 * (2) lichens listed in the 1979 publication by Skorepa, Norden, and Windler.
 * (3) lichens listed in the 2002 publication by Biechele as occurring on Maryland's Delmarva Peninsula.
 * (4) lichens in Elmer Worthley's personal herbarium.
 * (5) lichens found in Maryland by Edward Uebel.
 * (6) lichens reported on Maryland's Delmarva Peninsula by Lendemer and Knapp (2007) at six locations: 1. Millington State Wildlife Management Area (1. Millington); 2. Idylwild State Wildlife Management Area (2. Idylwild); 3. Chesapeake State Forest (3. Chesapeake); 4. Sharptown Dunes (4. Sharptown); 5. Hickory Point Cypress Swamp (5. Hickory Pt.); 6. Pocomoke State Forest (6. Pocomoke).

List

 * 1) Acarospora fuscata (Schrader) Arnold  [Acarosporaceae]
 * 2) Skorepa et al. (1979) – on acidic rock.
 * 3) E.G. Worthley Herbarium - Carroll Co., on stone wall.
 * 4) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 5) Acarospora schleicheri (Ach.) A. Massal.  [Acarosporaceae]
 * 6) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 7) Skorepa et al. (1979) – on acidic rock.
 * 8) Ahtiana aurescens (Tuck.) Thell & Randlane  [Parmeliaceae]
 * 9) Syn.: Cetraria aurescens Tuck.
 * 10) Skorepa et al. (1977) – Allegany Co., on branches of pines.
 * 11) Skorepa et al. (1979) – on bark.
 * 12) Allocetraria oakesiana (Tuck.) Randlane & Thell  [Parmeliaceae]
 * 13) Syn.: Cetraria oakesiana Tuck.
 * 14) Skorepa et al. (1977) – Frederick Co., base of oak.
 * 15) Skorepa et al. (1979) – on bark, acidic rock.
 * 16) E.G. Worthley Herbarium - Garrett Co., along Big Run, on stumps.
 * 17) Amandinea milliaria (Tuck.) P. May & Sheard  [Physciaceae]
 * 18) Syn.: Rinodina milliaria Tuck.
 * 19) Skorepa et al. (1977) – Calvert Co., on trunks of deciduous trees.
 * 20) Skorepa et al. (1979) – on bark.
 * 21) Biechele (2002) – lower eastern shore of Maryland.
 * 22) Amandinea polyspora (Willey) E. Lay & P. May  [Physciaceae]
 * 23) Syn.: Buellia polyspora (Willey) Vainio
 * 24) Skorepa et al. (1977) – Carroll Co., bark of deciduous tree.
 * 25) Skorepa et al. (1979) – on bark.
 * 26) E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple.
 * 27) Amandinea punctata (Hoffm.) Coppins & Scheid.  [Physciaceae]
 * 28) Syn.: Buellia punctata (Hoffm.) Massal.
 * 29) Skorepa et al. (1977) – Worcester Co., on oak twigs.
 * 30) Skorepa et al. (1979) – on bark.
 * 31) Lendemer & Knapp (2007) - (2. Idylwild)
 * 32) Anaptychia palmulata (Michaux) Vainio  [Physciaceae]
 * 33) Skorepa et al. (1977) – Calvert Co., trunks of deciduous trees.
 * 34) Skorepa et al. (1979) – on bark.
 * 35) Biechele (2002) – lower eastern shore of Maryland.
 * 36) E.G. Worthley Herbarium - Baltimore Co.; Calvert Co.; Frederick Co.
 * 37) Anisomeridium polypori (Ellis & Everh.) M.E. Barr  [Monoblastiaceae]
 * 38) Lendemer & Knapp (2007) - (4. Sharptown)
 * 39) Anzia americana Yoshim. & Sharp  [Parmeliaceae]
 * 40) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 41) Anzia colpodes (Ach.) Stizenb.  [Parmeliaceae]
 * 42) Skorepa et al. (1979) – on bark.
 * 43) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 44) Arctoparmelia centrifuga? (L.) Hale  [Parmeliaceae]
 * 45) E.G. Worthley Herbarium - Baltimore Co., Owings Mills.
 * 46) Arthonia caesia (Flotow) Körber  [Arthoniaceae]
 * 47) Skorepa et al. (1977) – Baltimore Co., trunk of oak.
 * 48) Skorepa et al. (1979) – on bark.
 * 49) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark; Ridge Road, on bark.
 * 50) Lendemer & Knapp (2007) (1. Millington)
 * 51) Arthonia rubella (Fée) Nyl.  [Arthoniaceae]
 * 52) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 53) Arthopyrenia cinereopruinosa (Schaerer) A. Massal.  [Arthopyreniaceae]
 * 54) Syn.: Arthopyrenia pinicola (Hepp) Mass.
 * 55) Skorepa et al. (1977) – Montgomery Co., trunk of elm.
 * 56) Skorepa et al. (1979) – on bark.
 * 57) Arthothelium interveniens (Nyl.) Zahlbr.  [Arthoniales]
 * 58) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 59) Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold   [Hymeneliaceae]
 * 60) Syn.: Lecanora caesiocinerea Nyl.
 * 61) Skorepa et al. (1977) – Allegany Co., on shale outcrop.
 * 62) Skorepa et al. (1979) – on acidic rock.
 * 63) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Montgomery Co., Great Falls.
 * 64) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on acidic rock.
 * 65) Aspicilia cinerea (L.) Körber   [Hymeneliaceae]
 * 66) Syn.: Lecanora cinerea (L.) Somm.
 * 67) Skorepa et al. (1977) – Baltimore Co., on rock ledges.
 * 68) Skorepa et al. (1979) – on acidic rock.
 * 69) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls.
 * 70) Bacidia laurocerasi (Delise ex Duby) Zahlbr. subsp. laurocerasi  [Bacidiaceae]
 * 71) Syn.: Bacidia atrogrisea (Delilse ex Hepp) Körber
 * 72) Skorepa et al. (1979) – on bark.
 * 73) Bacidia polychroa (Th. Fr.) Körber  [Bacidiaceae]
 * 74) Syn.: Bacidia fuscorubella (Hoffm.) Bausch.
 * 75) Skorepa et al. (1977) – Baltimore Co., on trunks of deciduous trees.
 * 76) Skorepa et al. (1979) – on bark.
 * 77) Bacidia schweinitzii (Fr. ex E. Michener) A. Schneider   [Bacidiaceae]
 * 78) Skorepa et al.. (1977) – Montgomery Co., on oak.
 * 79) Skorepa et al. (1979) – on bark.
 * 80) Biechele (2002) – lower eastern shore of Maryland.
 * 81) E.G. Worthley Herbarium – Lichens of Soldiers Delight; Anne Arundel Co., Baltimore Co., Wicomico Co.
 * 82) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke)
 * 83) Bacidia trachona (Ach.) Lettau  [Bacidiaceae]
 * 84) Skorepa et al. (1979) – on calcareous rock.
 * 85) Bacidina egenula (Nyl.) Vězda  [Bacidiaceae]
 * 86) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 87) Bacidina inundata (Fr.) Vezda  [Bacidiaceae]
 * 88) Skorepa et al. (1979) – on bark.
 * 89) Baculifera curtisii (Tuck.) Marbach  [Physciaceae]
 * 90) Syn.: Buellia curtisii (Tuck.) Imsh.
 * 91) Skorepa et al.. (1977) – Calvert Co., trunk of deciduous tree.
 * 92) Skorepa et al. (1979) – on bark.
 * 93) Bathelium carolinianum (Tuck.) R.C. Harris  [Trypetheliaceae]
 * 94) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 95) Biatora vernalis (L.) Fr.  [Bacidiaceae]
 * 96) Syn.: Lecidea vernalis (L.) Ach.
 * 97) Skorepa et al. (1977) – Frederick Co., on trunks of oaks.
 * 98) Skorepa et al. (1979) – on bark.
 * 99) Brigantiaea leucoxantha (Spreng.) R. Sant. & Haffel.  [Brigantiaeaceae]
 * 100) Biechele (2002) – lower eastern shore of Maryland.
 * 101) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 102) Bryoria furcellata (Fr.) Brodo & D. Hawksw.  [Parmeliaceae]
 * 103) Syn.: Alectoria nidulifera Norrl.
 * 104) Skorepa et al. (1977) – Garrett Co., on pine trunks.
 * 105) Skorepa et al. (1979) – on bark, acid rock.
 * 106) E.G. Worthley Herbarium - Wicomico Co.
 * 107) Buellia badia (Fr.) Massal.  [Physciaceae]
 * 108) Syn.: Buellia turgescens Tuck.
 * 109) E.G. Worthley Herbarium - Baltimore Co., St. Thomas Cemetery.
 * 110) Buellia curtisii (Tuck.) Imshaug  [Physciaceae]
 * 111) Lendemer & Knapp (2007) (1. Millington), (3. Chesapeake)
 * 112) Buellia spuria (Schaerer) Anzi  [Physciaceae]
 * 113) Skorepa et al. (1977) – Montgomery Co. (collection by Fink)
 * 114) Skorepa et al. (1979) – on acidic rock.
 * 115) E.G. Worthley Herbarium – Lichens of Soldiers Delight.
 * 116) Buellia stigmaea Tuck.  [Physciaceae]
 * 117) Skorepa et al. (1977) – Baltimore Co., (collected by Plitt)
 * 118) Skorepa et al. (1979) – on acidic rock.
 * 119) Buellia stillingiana J. Steiner  [Physciaceae]
 * 120) Skorepa et al. (1977) – Calvert Co., on trunks of deciduous trees.
 * 121) Skorepa et al. (1979) – on bark.
 * 122) Biechele (2002) – lower eastern shore of Maryland.
 * 123) E.G. Worthley Herbarium - Worcester Co.
 * 124) Lendemer & Knapp (2007) - (4. Sharptown)
 * 125) Buellia vernicoma Tuck.  [Physciaceae]
 * 126) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 127) Byssoloma leucoblepharum Vainio  [Pilocarpaceae]
 * 128) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 129) Byssoloma meadii (Tuck.) S. Ekman  [Pilocarpaceae]
 * 130) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 131) Calicium salicinum Pers.  [Caliciaceae]
 * 132) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 133) Caloplaca camptidia (Tuck.) Zahlbr.  [Teloschistaceae]
 * 134) Skorepa et al. (1977) – Montgomery Co., oak woods.
 * 135) Skorepa et al. (1979) – on bark.
 * 136) Caloplaca cerina (Ehrh. ex Hedwig) Th. Fr.  [Teloschistaceae]
 * 137) Skorepa et al. (1977) – Garrett Co., on aspen trunks.
 * 138) Skorepa et al. (1979) – on bark.
 * 139) Caloplaca citrina (Hoffm.) Th. Fr.  [Teloschistaceae]
 * 140) Skorepa et al. (1977) – Baltimore Co., on concrete bridge.
 * 141) Skorepa et al. (1979) – on cement.
 * 142) Biechele (2002) – lower eastern shore of Maryland.
 * 143) E.G. Worthley Herbarium – Lichens of Soldiers Delight; Baltimore Co., on wall of stone and cement.
 * 144) Caloplaca feracissima H. Magn.  [Teloschistaceae]
 * 145) Skorepa et al. (1977) – Frederick Co., on concrete.
 * 146) Skorepa et al. (1979) – on cement.
 * 147) E.G. Worthley Herbarium – Lichens of Soldiers Delight.
 * 148) E.C. Uebel Herbarium – Prince George's Co., on hill of concrete.
 * 149) Caloplaca flavorubescens (Hudson) J. R. Laundon  [Teloschistaceae]
 * 150) Syn.: Caloplaca aurantiaca (Lightf.) Th. Fr.
 * 151) Skorepa et al. (1977) – Allegany Co., on cement.
 * 152) Skorepa et al. (1979) – on cement.
 * 153) E.G. Worthley Herbarium - Baltimore Co., Owings Mills.
 * 154) Caloplaca flavovirescens (Wulfen) Dalla Torre & Sarnth.
 * 155) Skorepa et al. (1977) – Washington Co., on limestone.
 * 156) Skorepa et al. (1979) – on calcareous rock, cement.
 * 157) Caloplaca holocarpa (Hoffm. ex Ach.) M. Wade  [Teloschistaceae]
 * 158) Skorepa et al. (1977) – Frederick Co., on timbers.
 * 159) Skorepa et al. (1979) – on bark, calcareous rock, wood.
 * 160) Caloplaca lobulata (Flörke) de Lesd.  [Teloschistaceae]
 * 161) Skorepa et al. (1977) – Cecil Co., on serpentine rock.
 * 162) Skorepa et al. (1979) – acidic rock.
 * 163) E.G. Worthley Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bricks.
 * 164) Caloplaca microphyllina (Tuck.) Hasse  [Teloschistaceae]
 * 165) Skorepa et al. (1979) – wood.
 * 166) Caloplaca oxfordensis Fink  [Teloschistaceae]
 * 167) Skorepa et al. (1977) – Washington Co., on limestone.
 * 168) Skorepa et al. (1979) – on acidic rock.
 * 169) Caloplaca sideritis (Tuck.) Zahlbr.  [Teloschistaceae]
 * 170) Skorepa et al. (1977) – Frederick Co., on cement foundation.
 * 171) Skorepa et al. (1979) – on acidic rock.
 * 172) E.G. Worthley Herbarium – Lichens of Soldiers Delight.
 * 173) Caloplaca subsoluta (Nyl.) Zahlbr.  [Teloschistaceae]
 * 174) Syn.: Caloplaca modesta (Zahlbr.) Fink
 * 175) Skorepa et al. (1977) – Montgomery Co. (collected by Fink)
 * 176) Skorepa et al. (1979) – on acidic rock.
 * 177) Candelaria concolor (Dickson) B. Stein  [Candelariaceae]
 * 178) Skorepa et al. (1977) – Allegany Co., on tree trunk.
 * 179) Skorepa et al. (1979) – on bark.
 * 180) E.G. Worthley Herbarium – Lichens of Soldiers Delight; Frederick Co.; Carroll Co.
 * 181) E.C. Uebel Herbarium – Baltimore Co.; Prince George's Co., on bark.
 * 182) Lendemer & Knapp (2007) - (2. Idylwild)
 * 183) Candelariella reflexa (Nyl.) Lettau  [Candelariaceae]
 * 184) Lendemer & Knapp (2007) - (3. Chesapeake)
 * 185) Candelariella vitellina (Hoffm.) Müll. Arg.  [Candelariaceae]
 * 186) Skorepa et al. (1977) – Baltimore Co., on rock face.
 * 187) Skorepa et al. (1979) – on acidic rock.
 * 188) E.G. Worthley Herbarium – Lichens of Soldiers Delight.
 * 189) Canoparmelia caroliniana (Nyl.) Elix & Hale  [Parmeliaceae]
 * 190) Syn.: Parmelia caroliniana Nyl.
 * 191) Skorepa et al. (1977) – Worcester Co., on tree trunks.
 * 192) Biechele (2002) – lower eastern shore of Maryland.
 * 193) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke)
 * 194) Canoparmelia crozalsiana (de Lesd. ex Harm.) Elix & Hale   [Parmeliaceae]
 * 195) Syn.: Parmelia crozalsiana B. de Lesd. ex Harm.
 * 196) Skorepa et al. (1977) – Frederick Co., on trunk of oak.
 * 197) Skorepa et al. (1979) – on bark.
 * 198) E.G. Worthley Herbarium - Talbot Co., on Sycamore.
 * 199) Lendemer & Knapp (2007) - (2. Idylwild)
 * 200) Canoparmelia texana (Tuck.) Elix & Hale  [Parmeliaceae]
 * 201) Syn.: Parmelia texana Tuck.
 * 202) Skorepa et al. (1977) – Frederick Co., on trunk of maple.
 * 203) Skorepa et al. (1979) – on bark.
 * 204) Lendemer & Knapp (2007) - (2. Idylwild)
 * 205) Catapyrenium cinereum (Pers.) Körber  [Verrucariaceae]
 * 206) Syn.: Dermatocarpon hepaticum (Ach.) Th. Fr.
 * 207) Skorepa et al. (1979) – on soil.
 * 208) E.G. Worthley Herbarium – Lichens of Soldiers Delight.
 * 209) Catillaria chalybeia (Borrer) A. Massal.  [Catillariaceae]
 * 210) Skorepa et al. (1977) – Frederick Co., on rocks.
 * 211) Skorepa et al. (1979) – on acidic rock.
 * 212) Cetraria arenaria Kärnefelt  [Parmeliaceae]
 * 213) Syn.: Cetraria islandica (L.) Ach.
 * 214) Skorepa et al. (1977) – Garrett Co., on soil.
 * 215) Skorepa et al. (1979) – on soil.
 * 216) E.G. Worthley Herbarium - Garrett Co., Carey Run.
 * 217) Cetrelia cetrarioides (Duby) Culb. & C. Culb.  [Parmeliaceae]
 * 218) E.G. Worthley Herbarium - Baltimore Co., Owings Mills, on oak.
 * 219) Cetrelia chicitae (W. Culb.) W. Culb. & C. Culb.  [Parmeliaceae]
 * 220) Skorepa et al. (1977) – Garrett Co., on conglomerate.
 * 221) Skorepa et al. (1979) – on bark, acidic rock.
 * 222) E.G. Worthley Herbarium - Frederick Co., Mt. Catoctin Park.
 * 223) Cetrelia olivetorum (Nyl.) Culb. & C. Culb.  [Parmeliaceae]
 * 224) Skorepa et al. (1977) – Allegany Co., on trunk of deciduous tree.
 * 225) Skorepa et al. (1979) – on bark.
 * 226) Chrismofulvea dialyta (Nyl.) Marbach  [Physciaceae]
 * 227) Syn.: Buellia dialyta (Nyl.) Tuck.
 * 228) Skorepa et al. (1979) – on bark.
 * 229) Chrysothrix candelaris (L.) J. R. Laundon  [Chrysotrichaceae]
 * 230) Syn.: Lepraria candelaris (L.) Fr.
 * 231) Skorepa et al. (1979) – on bark.
 * 232) E.G. Worthley Herbarium - Montgomery Co., on rock outcrop.
 * 233) E.C. Uebel Herbarium – Baltimore Co., Hollofield, on rock cliff.
 * 234) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 235) Chrysothrix flavovirens Tønsberg s. lat.  [Chrysotrichaceae]
 * 236) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 237) Cladonia apodocarpa Robbins  [Cladoniaceae]
 * 238) Skorepa et al. (1977) – Frederick Co., on soil.
 * 239) E.G. Worthley Herbarium - Lichens of Soldiers Delight;   Baltimore Co., Gunpowder Falls; Allegany Co.
 * 240) Cladonia arbuscula (Wallr.) Flotow  [Cladoniaceae]
 * 241) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 242) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Allegany Co., Green Ridge State Forest; Wicomico Co.
 * 243) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 244) Cladonia atlantica A. Evans  [Cladoniaceae]
 * 245) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 246) Biechele (2002) – lower eastern shore of Maryland.
 * 247) Cladonia beaumontii (Taylor) Vainio  [Cladoniaceae]
 * 248) Biechele (2002) – lower eastern shore of Maryland.
 * 249) Cladonia boryi Tuck.  [Cladoniaceae]
 * 250) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 251) This is probably a misidentification of Cladonia caroliniana.
 * 252) Cladonia caespiticia (Pers.) Flörke  [Cladoniaceae]
 * 253) Skorepa et al. (1977) – Worcester Co., on sandy soil.
 * 254) Biechele (2002) – lower eastern shore of Maryland.
 * 255) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Carroll Co., Liberty Reservoir.
 * 256) Cladonia cariosa (Ach.) Sprengel  [Cladoniaceae]
 * 257) E.G. Worthley Herbarium - Lichens of Soldiers Delight.
 * 258) Cladonia caroliniana Tuck.  [Cladoniaceae]
 * 259) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 260) Cladonia cervicornis subsp. verticillata (Hoffm.) Ahti  [Cladoniaceae]
 * 261) Syn.: Cladonia verticillata (Hoffm.) Schaer.
 * 262) Skorepa et al. (1977) – Queen Anne's Co., on soil.
 * 263) Biechele (2002) – lower eastern shore of Maryland.
 * 264) E.G. Worthley Herbarium - Worcester Co.; Queen Anne's Co.; Baltimore Co.
 * 265) Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel  [Cladoniaceae]
 * 266) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 267) Biechele (2002) – lower eastern shore of Maryland.
 * 268) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Prince George's Co.; Anne Arundel Co.; Washington Co.
 * 269) Cladonia coniocraea (Flörke) Sprengel  [Cladoniaceae]
 * 270) Skorepa et al. (1977) – Garrett Co., on base of pine.
 * 271) Biechele (2002) – lower eastern shore of Maryland.
 * 272) E.G. Worthley Herbarium - Baltimore Co.; Calvert Co.
 * 273) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., Liberty Reservoir.
 * 274) Cladonia cristatella Tuck.  [Cladoniaceae]
 * 275) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 276) Biechele (2002) – lower eastern shore of Maryland.
 * 277) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Prince George's Co.; Garrett Co., Swallow Falls.
 * 278) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt.
 * 279) Cladonia didyma (Fée) Vainio var. didyma  [Cladoniaceae]
 * 280) Lendemer & Knapp (2007) - (2. Idylwild)
 * 281) Cladonia fimbriata (L.) Fr.  [Cladoniaceae]
 * 282) Skorepa et al. (1977) – Garrett Co., on sandstone boulder.
 * 283) E.G. Worthley Herbarium - Garrett Co.; Allegany Co., Green Ridge State Forest.
 * 284) Cladonia floerkeana (Fr.) Flörke  [Cladoniaceae]
 * 285) Skorepa et al. (1977) – Harford Co., on rotting wood.
 * 286) Cladonia furcata (Hudson) Schrader  [Cladoniaceae]
 * 287) Skorepa et al. (1977) – Harford Co., on moss.
 * 288) Cladonia gracilis (L.) Willd. subsp. gracilis  [Cladoniaceae]
 * 289) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 290) E.G. Worthley Herbarium - Lichens of Soldiers Delight.
 * 291) Cladonia grayi Merr. ex Sandst.  [Cladoniaceae]
 * 292) Biechele (2002) – lower eastern shore of Maryland.
 * 293) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 294) Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake)
 * 295) Cladonia incrassata Flörke  [Cladoniaceae]
 * 296) Skorepa et al. (1977) – Wicomico Co., on sandy soil.
 * 297) Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke)
 * 298) Cladonia macilenta Hoffm.  [Cladoniaceae]
 * 299) Skorepa et al. (1977) – Harford Co., on rotting wood.
 * 300) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir; Prince Georges Co., College Park.
 * 301) Lendemer & Knapp (2007) - (2. Idylwild)
 * 302) Cladonia macilenta var. bacillaris (Genth) Schaerer  [Cladoniaceae]
 * 303) Syn.: Cladonia bacillaris (Ach.) Nyl.
 * 304) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 305) Biechele (2002) – lower eastern shore of Maryland.
 * 306) E.G. Worthley Herbarium - Prince George's Co.
 * 307) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir.
 * 308) Lendemer & Knapp (2007) - (3. Chesapeake)
 * 309) Cladonia mateocyatha Robbins  [Cladoniaceae]
 * 310) Skorepa et al. (1977) – Baltimore Co., on exposed rocks.
 * 311) Cladonia ochrochlora Flörke  [Cladoniaceae]
 * 312) Lendemer & Knapp (2007) - (1. Millington)
 * 313) Cladonia parasitica (Hoffm.) Hoffm.  [Cladoniaceae]
 * 314) Skorepa et al. (1977) – Worcester Co., on pine stump.
 * 315) Biechele (2002) – lower eastern shore of Maryland.
 * 316) Lendemer & Knapp (2007) - (2. Idylwild)
 * 317) Cladonia peziziformis (With.) J.R. Laundon   [Cladoniaceae]
 * 318) Syn.: Cladonia capitata (Michx.) Spreng.
 * 319) Skorepa et al. (1977) – Kent Co., on embankment.
 * 320) Biechele (2002) – lower eastern shore of Maryland.
 * 321) E.G. Worthley Herbarium - Lichens of Soldiers Delight.
 * 322) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt.
 * 323) Cladonia piedmontensis G. Merr.  [Cladoniaceae]
 * 324) Skorepa et al. (1977) – Wicomico Co., on soil.
 * 325) E.G. Worthley Herbarium - Baltimore Co.; Wicomico Co.
 * 326) Cladonia pleurota (Flörke) Schaerer  [Cladoniaceae]
 * 327) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 328) Biechele (2002) – lower eastern shore of Maryland.
 * 329) Cladonia polycarpia G. Merr.  [Cladoniaceae]
 * 330) Lendemer & Knapp (2007) - (3. Chesapeake)
 * 331) Cladonia polycarpoides Nyl.  [Cladoniaceae]
 * 332) Biechele (2002) – lower eastern shore of Maryland.
 * 333) Lendemer & Knapp (2007) - (2. Idylwild)
 * 334) Cladonia pyxidata (L.) Hoffm.  [Cladoniaceae]
 * 335) Skorepa et al. (1977) – Allegany Co., on bank of stream.
 * 336) E.G. Worthley Herbarium - Allegany Co., Green Ridge State Forest; Anne Arundel Co.; Carroll Co.; Washington Co.
 * 337) Cladonia ramulosa (With.) J.R. Laundon  [Cladoniaceae]
 * 338) E.G. Worthley Herbarium - Worcester Co., Milburn Landing.
 * 339) Lendemer & Knapp (2007) - (2. Idylwild)
 * 340) Cladonia rangiferina (L.) F.H. Wigg.   [Cladoniaceae]
 * 341) Skorepa et al. (1977) – Allegany Co., on soil.
 * 342) E.G. Worthley Herbarium - Calvert Co.; Wicomico Co.
 * 343) Cladonia rappii A. Evans  [Cladoniaceae]
 * 344) Syn.: Cladonia calycantha Del. ex Nyl.
 * 345) Skorepa et al. (1977) – Charles Co., on soil.
 * 346) Biechele (2002) – lower eastern shore of Maryland.
 * 347) E.G. Worthley Herbarium - Wicomico Co.
 * 348) Cladonia ravenelii Tuck.  [Cladoniaceae]
 * 349) Biechele (2002) – lower eastern shore of Maryland.
 * 350) Cladonia rei Schaerer  [Cladoniaceae]
 * 351) Syn.: Cladonia nemoxyna (Ach.) Nyl.
 * 352) Skorepa et al. (1977) – Garrett Co., on rocky soil.
 * 353) E.G. Worthley Herbarium - Garrett Co.
 * 354) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 355) Cladonia santensis Tuck.  [Cladoniaceae]
 * 356) Skorepa et al. (1977) – Dorchester Co., on soil.
 * 357) Biechele (2002) – lower eastern shore of Maryland.
 * 358) Cladonia squamosa Hoffm.  [Cladoniaceae]
 * 359) Skorepa et al. (1977) – Frederick Co., on basalt outcrop.
 * 360) Biechele (2002) – lower eastern shore of Maryland.
 * 361) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Washington Co.
 * 362) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 363) Cladonia stellaris (Opiz) Pouzar & Vezda  [Cladoniaceae]
 * 364) Syn.: Cladonia alpestris (L.) Rabenh.
 * 365) Skorepa et al. (1977) – Garrett Co., on soil.
 * 366) Cladonia strepsilis (Ach.) Grognot   [Cladoniaceae]
 * 367) Skorepa et al. (1977) – Prince George's Co., on shoulder of road.
 * 368) E.G. Worthley Herbarium - Prince George's Co.
 * 369) Cladonia subcariosa Nyl.  [Cladoniaceae]
 * 370) Syns.: Cladonia clavulifera Vain., C. sobolescens Nyl. ex Vain.
 * 371) Skorepa et al. (1977) – Worcester Co., on sandy soil.
 * 372) Skorepa et al. (1977) – Kent Co., on soil.
 * 373) E.G. Worthley Herbarium - St. Mary's Co.; Wicomico Co.
 * 374) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt.
 * 375) Lendemer & Knapp (2007) - (2. Idylwild)
 * 376) Cladonia subtenuis (Abbayes) Mattick  [Cladoniaceae]
 * 377) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 378) Biechele (2002) – lower eastern shore of Maryland.
 * 379) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Allegany Co.; Calvert County; St. Mary's Co.
 * 380) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co.
 * 381) Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake), (4. Sharptown)
 * 382) Cladonia turgida Hoffm.  [Cladoniaceae]
 * 383) Skorepa et al. (1977) – Wicomico Co., on soil.
 * 384) Cladonia uncialis (L.) F.H. Wigg.  [Cladoniaceae]
 * 385) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 386) Biechele (2002) – lower eastern shore of Maryland.
 * 387) Coccocarpia palmicola (Sprengel) Arv. & D.J. Galloway  [Coccocarpiaceae]
 * 388) Syn.: Coccocarpia cronia (Tuck.) Vain.
 * 389) Skorepa et al. (1977) – Montgomery Co., on rock outcrop.
 * 390) Skorepa et al. (1979) – on bark, acidic rock.
 * 391) Coenogonium luteum (Dicks.) Kalb & Lücking  [Gyalectaceae]
 * 392) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 393) Coenogonium pineti (Ach.) Kalb & Lücking  [Gyalectaceae]
 * 394) Syn.: Dimerella diluta (Pers.) Trevisan
 * 395) Skorepa et al. (1979) – on wood, other.
 * 396) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 397) Collema coccophorum Tuck.  [Collemataceae]
 * 398) Skorepa et al. (1979) – on acidic rock.
 * 399) Collema conglomeratum Hoffm.  [Collemataceae]
 * 400) Skorepa et al. (1979) – on bark.
 * 401) Collema furfuraceum (Arnold) Du Rietz  [Collemataceae]
 * 402) Skorepa et al. (1977) – Allegany Co., on trunks of deciduous trees.
 * 403) Skorepa et al. (1979) – bark, acidic rock.
 * 404) E.G. Worthley Herbarium - Allegany Co., Terrapin Run, near base of tree trunk.
 * 405) Collema fuscovirens (With.) J.R. Laundon  [Collemataceae]
 * 406) Syn.: Collema tuniforme (Ach.) Ach.
 * 407) Skorepa et al. (1979) – on calcareous rock.
 * 408) Collema leptaleum Tuck.  [Collemataceae]
 * 409) Skorepa et al. (1979) – on bark.
 * 410) Collema subflaccidum Degel.  [Collemataceae]
 * 411) Skorepa et al. (1979) – acidic rock.
 * 412) E.G. Worthley Herbarium - Baltimore Co., Gunpowder River, on bark of Tulip Tree.
 * 413) Collema undulatum Laurer ex Flotow  [Collemataceae]
 * 414) Skorepa et al. (1979) – on acidic rock.
 * 415) Cyphelium tigillare (Ach.) Ach.  [Caliciaceae]
 * 416) Skorepa et al. (1979) – on wood.
 * 417) Dactylospora inquilina Hafellner  [Dactylosporaceae]
 * 418) Lendemer & Knapp (2007) - (5. Hickory Pt.) (on Pertusaria paratuberculifera)
 * 419) Dermatocarpon luridum (With.) J.R. Laundon  [Verrucariaceae]
 * 420) Syn.: Dermatocarpon fluviatile (G. Web.) Th. Fr.
 * 421) Skorepa et al. (1977) – Baltimore Co., on rocks.
 * 422) Skorepa et al. (1979) – on acidic rock.
 * 423) E.G. Worthley Herbarium - Carroll Co., in stream bed; Frederick Co., on boulder in stream.
 * 424) E.C. Uebel Herbarium – Baltimore Co., Hollofield, on moist rock.
 * 425) Dermatocarpon miniatum (L.) W. Mann   [Verrucariaceae]
 * 426) Skorepa et al. (1977) – Baltimore Co., on rock ledge.
 * 427) Skorepa et al. (1979) – on acidic rock, calcareous rock.
 * 428) E.G. Worthley Herbarium - Montgomery Co., Great Falls
 * 429) Dibaeis baeomyces (L. f.) Rambold & Hertel  [Icmadophilaceae]
 * 430) Syn.: Baeomyces roseus Pers.
 * 431) Skorepa et al. (1977) – Harford Co., on rock ledge.
 * 432) Skorepa et al. (1979) – on soil.
 * 433) Biechele (2002) – lower eastern shore of Maryland.
 * 434) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Howard Co.
 * 435) Dimelaena oreina (Ach.) Norman  [Physciaceae]
 * 436) Skorepa et al. (1977) – Allegany Co., on sandstone outcrop.
 * 437) Skorepa et al. (1979) – on acidic rock.
 * 438) Diploschistes scruposus (Schreber) Norman  [Thelotremataceae]
 * 439) Skorepa et al. (1979) – on acidic rock.
 * 440) Dirinaria frostii (Tuck.) Hale & Culb.  [Physciaceae]
 * 441) Skorepa et al. (1977) – Allegany Co., on shale outcrops.
 * 442) Skorepa et al. (1979) – on acidic rock.
 * 443) Endocarpon petrolepideum (Nyl.) Nyl.  [Verrucariaceae]
 * 444) E.C. Uebel Herbarium – Prince George's Co., Greenbelt, on hill of concrete (identified by Dr. Othmar Breuss, Vienna, Austria, Mar 2005).
 * 445) Endocarpon pusillum Hedwig  [Verrucariaceae]
 * 446) Skorepa et al. (1977) – Washington Co., on chert.
 * 447) Skorepa et al. (1979) – on calcareous rock, cement.
 * 448) Ephebe lanata (L.) Vainio  [Lichinaceae]
 * 449) Skorepa et al. (1979) – on acidic rock.
 * 450) Fissurina insidiosa Hook. & C. Knight  [Graphidaceae]
 * 451) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 452) Flavoparmelia baltimorensis (Gyelnik & Fóriss) Hale  [Parmeliaceae]
 * 453) Syn.: Parmelia baltimorensis Gyelnik & Fóriss
 * 454) Skorepa et al. (1977) – Baltimore Co., on rock outcrops.
 * 455) Skorepa et al. (1979) – on acidic rock.
 * 456) E.G. Worthley Herbarium - Harford Co., Rocks State Park, on acidic rock.
 * 457) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on boulders.
 * 458) Flavoparmelia caperata (L.) Hale  [Parmeliaceae]
 * 459) Syn.: Parmelia caperata (L.) Ach.
 * 460) Skorepa et al. (1977) – Lichens of Soldiers Delight, on rocks.
 * 461) Skorepa et al. (1979) – on bark, acidic rock.
 * 462) Biechele (2002) – lower eastern shore of Maryland.
 * 463) E.G. Worthley Herbarium - Calvert Co.; Frederick Co.; Worcester Co., on bark.
 * 464) E.C. Uebel Herbarium – Prince George's Co., on fallen tree limbs.
 * 465) Lendemer & Knapp (2007) - (4. Sharptown)
 * 466) Flavopunctelia flaventior (Stirton) Hale  [Parmeliaceae]
 * 467) Syn.: Parmelia flaventior Stirt.
 * 468) Skorepa et al. (1977) – Garrett Co., on oak.
 * 469) Skorepa et al. (1979) – on bark.
 * 470) E.G. Worthley Herbarium - Allegany Co.; Garrett Co., Casselman Bridge State Park.
 * 471) Flavopunctelia soredica (Nyl.) Hale  [Parmeliaceae]
 * 472) Syn.: Parmelia ulophyllodes (Vaino) Savicz
 * 473) Skorepa et al. (1979) – on bark.
 * 474) E.G. Worthley Herbarium - Baltimore Co., Gunpowder State Park.
 * 475) E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple.
 * 476) Fuscopannaria leucophaea (Vahl) P.M. Jørg.  [Pannariaceae]
 * 477) Syn.: Parmeliella microphylla (Sw.) Müll. Arg.
 * 478) Skorepa et al. (1979) – on acidic rock.
 * 479) Fuscopannaria leucosticta (Tuck.) P.M. Jørg.  [Pannariaceae]
 * 480) Syn.: Pannaria leucosticta (Tuck.) Tuck. ex Nyl.
 * 481) Skorepa et al. (1979) – on bark.
 * 482) Gassicurtia vernicoma (Tuck.) Marbach  [Physciaceae]
 * 483) Syn.: Buellia vernicoma (Tuck.) Tuck.
 * 484) Skorepa et al. (1977) – (collected by Plitt)
 * 485) Skorepa et al. (1979) – on bark.
 * 486) Graphis scripta (L.) Ach.  [Graphidaceae]
 * 487) Skorepa et al. (1977) – Montgomery Co., on oak.
 * 488) Skorepa et al. (1979) – on bark.
 * 489) E.G. Worthley Herbarium - Baltimore Co., Pretty Boy Reservoir; Wicomico Co.
 * 490) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on tree bark.
 * 491) Hafellia disciformis (Fr.) Marbach & H. Mayrhofer  [Physciaceae]
 * 492) Syn.: Buellia disciformis (Fr.) Mudd
 * 493) Skorepa et al. (1977) – Anne Arundel Co.
 * 494) Skorepa et al. (1979) – on bark.
 * 495) Hertelidea botryosa (Fr.) Printzen & Kantvilas  [Stereocaulaceae]
 * 496) Syn.: Lecidea botryosa (Fr.) Th. Fr.
 * 497) Skorepa et al. (1979) – on wood.
 * 498) Heterodermia albicans (Pers.) Swinscow & Krog  [Physciaceae]
 * 499) Syn.: Heterodermia domingensis (Ach.) Trev.
 * 500) Skorepa et al. (1977) – Wicomico Co., on tree trunks.
 * 501) Skorepa et al. (1979) – on bark.
 * 502) Heterodermia appalachensis (Kurok.) Culb.  [Physciaceae]
 * 503) Skorepa et al. (1977) – Baltimore Co., on trunk of oak.
 * 504) Heterodermia granulifera (Ach.) Culb.  [Physciaceae]
 * 505) Skorepa et al. (1977) – Montgomery Co., on trunk of Walnut tree.
 * 506) Skorepa et al. (1979) – on bark.
 * 507) Heterodermia hypoleuca (Muhl.) Trevisan  [Physciaceae]
 * 508) Skorepa et al. (1977) – Frederick Co, on oak.
 * 509) Skorepa et al. (1979) – on bark.
 * 510) Biechele (2002) – lower eastern shore of Maryland.
 * 511) Heterodermia obscurata (Nyl.) Trevisan  [Physciaceae]
 * 512) Skorepa et al. (1977) – Charles Co., on trunks of deciduous trees.
 * 513) Skorepa et al. (1979) – on bark, acidic rock.
 * 514) E.G. Worthley Herbarium - Baltimore Co., Gunpowder Falls, on tree trunk.
 * 515) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown)
 * 516) Heterodermia speciosa (Wulfen) Trevisan  [Physciaceae]
 * 517) Syn.: Heterodermia tremulans (Müll. Arg.) W. Culb.
 * 518) Skorepa et al. (1977) – Washington Co., on trunks of deciduous trees.
 * 519) Skorepa et al. (1979) – on bark, acidic rock.
 * 520) E.G. Worthley Herbarium - Baltimore Co., Pretty Boy Dam.
 * 521) Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke)
 * 522) Hymenelia epulotica (Ach.) Lutzoni  [Hymeneliaceae]
 * 523) Syn.: Ionaspis epulotica (Ach.) Blomb. & Forssell
 * 524) Skorepa et al. (1979) – on acidic rock.
 * 525) Hyperphyscia adglutinata (Flörke) H. Mayrh.  [Physciaceae]
 * 526) Syn.: Physciopsis adglutinata (Flörke) M. Choisy
 * 527) Skorepa et al. (1979) – on bark.
 * 528) Hyperphyscia syncolla (Tuck. ex Nyl.) Kalb  [Physciaceae]
 * 529) Syns.: Physcia syncolla Tuck. ex Nyl., Physciopsis syncolla (Tuck. ex Nyl.) Poelt
 * 530) Skorepa et al. (1977) – Wicomico Co., on oak trees.
 * 531) Skorepa et al. (1979) – on bark.
 * 532) Biechele (2002) – lower eastern shore of Maryland.
 * 533) Hypocenomyce scalaris (Ach.) M. Choisy  [Lecideaceae]
 * 534) Syn.: Lecidea scalaris (Ach. ex Lilj.) Ach.
 * 535) Skorepa et al. (1979) – on bark, wood.
 * 536) E.G. Worthley Herbarium - Lichens of Soldiers Delight, on trunk of pine.
 * 537) Hypogymnia krogiae Ohlsson  [Parmeliaceae]
 * 538) Skorepa et al. (1977) – Garrett Co., on conifer bark.
 * 539) Skorepa et al. (1979) – on bark.
 * 540) Hypogymnia physodes (L.) Nyl.  [Parmeliaceae]
 * 541) Skorepa et al. (1977) – Garrett Co., on tree trunks.
 * 542) Skorepa et al. (1979) – on bark, acidic rock.
 * 543) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple.
 * 544) Hypotrachyna livida (Taylor) Hale  [Parmeliaceae]
 * 545) Syn.: Parmelia livida Taylor
 * 546) Skorepa et al. (1977) – Sommerset Co., on branches of deciduous trees.
 * 547) Skorepa et al. (1979) – on bark.
 * 548) Biechele (2002) – lower eastern shore of Maryland.
 * 549) E.G. Worthley Herbarium - Wicomico Co.; Worcester Co., Milburn Landing, on branches.
 * 550) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke)
 * 551) Hypotrachyna osseoalba (Vainio) Park & Hale  [Parmeliaceae]
 * 552) Syn.: Parmelia formosana Zahlbr.
 * 553) Skorepa et al. (1977) – Dorchester Co., on oak trunk.
 * 554) Skorepa et al. (1979) – on bark.
 * 555) Lendemer & Knapp (2007) - (4. Sharptown)
 * 556) Imshaugia aleurites (Ach.) S.F. Meyer  [Parmeliaceae]
 * 557) Syn.: Parmeliopsis aleurites (Ach.) Nyl.
 * 558) Skorepa et al. (1977) – Garrett Co., on oak trunk.
 * 559) Skorepa et al. (1979) – on bark, acidic rock, wood.
 * 560) E.G. Worthley Herbarium - Lichens of Soldiers Delight, on Virginia pines.
 * 561) E.C. Uebel Herbarium – Lichens of Soldiers Delight, on trunks of pines.
 * 562) Imshaugia placorodia (Ach.) S.F. Meyer  [Parmeliaceae]
 * 563) Syn.: Parmeliopsis placorodia (Ach.) Nyl.
 * 564) Skorepa et al. (1977) – Harford Co., on pine trees.
 * 565) Skorepa et al. (1979) – on bark.
 * 566) E.G. Worthley Herbarium - Lichens of Soldiers Delight, on pine branches.
 * 567) E.C. Uebel Herbarium – Lichens of Soldiers Delight, on branches of Virginia pines.
 * 568) Julella fallaciosa (Arnold) R.C. Harris  (Not lichenized.)   [Thelenellaceae]
 * 569) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of Tulip Tree.
 * 570) Lasallia papulosa (Ach.) Llano  [Umbilicariaceae]
 * 571) Syn.: Umbilicaria papulosa (Ach.) Nyl.
 * 572) Skorepa et al. (1977) – Baltimore Co., on rocks on hillside.
 * 573) Skorepa et al. (1979) – on bark, acidic rock.
 * 574) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls; Montgomery Co., Great Falls.
 * 575) Lasallia pensylvanica (Hoffm.) Llano  [Umbilicariaceae]
 * 576) Syn.: Umbilicaria pensylvanica Hoffm.
 * 577) Skorepa et al. (1977) – Harford Co., on rock outcrops.
 * 578) Skorepa et al. (1979) – on acidic rock.
 * 579) E.G. Worthley Herbarium - Washington Co., Wash. Monument State Park, on rocks.
 * 580) Lasallia pustulata (L.) Mérat  [Umbilicariaceae]
 * 581) E.G. Worthley Herbarium - Frederick Co., South Mt.; Montgomery Co., Sugarloaf Mt., on boulders.
 * 582) Lecanora albella (Pers.) Ach. var. albella  [Lecanoraceae]
 * 583) E.G. Worthley Herbarium - Worcester Co., on bark of Pinus taeda.
 * 584) Lecanora cadubriae (A. Massal.) Hedl.  [Lecanoraceae]
 * 585) Skorepa et al. (1979) – on bark.
 * 586) Lecanora caesiorubella Ach. subsp. caesiorubella   [Lecanoraceae]
 * 587) Skorepa et al. (1977) – Harford Co., on trunk of oak.
 * 588) Skorepa et al. (1979) – on bark.
 * 589) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Wicomico Co.
 * 590) Lecanora campestris (Schaerer) Hue  [Lecanoraceae]
 * 591) Skorepa et al. (1977) – Allegany Co., on shale outcrop.
 * 592) Skorepa et al. (1979) – on acidic rock.
 * 593) Lecanora chlarotera Nyl.  [Lecanoraceae]
 * 594) Skorepa et al. (1977) – Calvert Co., on trunks of deciduous trees.
 * 595) Skorepa et al. (1979) – on bark.
 * 596) Biechele (2002) – lower eastern shore of Maryland.
 * 597) Lecanora cinereofusca H. Magn.  [Lecanoraceae]
 * 598) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke)
 * 599) Lecanora dispersa (Pers.) Sommerf.  [Lecanoraceae]
 * 600) Skorepa et al. (1977) – Washington Co., on stone wall.
 * 601) Skorepa et al. (1979) – on calcareous rock, cement, other.
 * 602) E.G. Worthley Herbarium - Baltimore Co.; Washington Co., on rock outcrops.
 * 603) Lecanora expallens Ach.  [Lecanoraceae]
 * 604) Syn.: Lecanora conizea (Ach.) Nyl.
 * 605) Skorepa et al. (1977) – St. Mary's Co., on trunks of Black Locust.
 * 606) Skorepa et al. (1979) – on bark, wood.
 * 607) E.G. Worthley Herbarium - Lichens of Soldiers Delight; St. Mary' Co., on trunk of Black Locust.
 * 608) Lecanora hagenii (Ach.) Ach.  [Lecanoraceae]
 * 609) Skorepa et al. (1977) – Frederick Co., on old timbers.
 * 610) Skorepa et al. (1979) – on wood.
 * 611) Lecanora hybocarpa (Tuck.) Brodo  [Lecanoraceae]
 * 612) Biechele (2002) – lower eastern shore of Maryland.
 * 613) Lendemer & Knapp (2007) - (1. Millington), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke)
 * 614) Lecanora imshaugii Brodo  [Lecanoraceae]
 * 615) Biechele (2002) – lower eastern shore of Maryland.
 * 616) Lecanora minutella Nyl.  [Lecanoraceae]
 * 617) Lendemer & Knapp (2007) - (2. Idylwild)
 * 618) Lecanora muralis (Schreber) Rabenh.  [Lecanoraceae]
 * 619) Skorepa et al. (1977) – Montgomery Co., on rock ledges.
 * 620) Lecanora muralis var. versicolor (Pers.) Tuck.  [Lecanoraceae]
 * 621) Syn.: Lecanora versicolor (Pers.) Ach.
 * 622) Skorepa et al. (1977) – Washington Co., on stone wall.
 * 623) Skorepa et al. (1979) – on acidic rock.
 * 624) Skorepa et al. (1979) – on acidic rock, calcareous rock.
 * 625) E.G. Worthley Herbarium - Washington Co., C & 0 canal, on shale.
 * 626) Lecanora polytropa (Hoffm.) Rabenh.  [Lecanoraceae]
 * 627) Skorepa et al. (1979) – on acidic rock.
 * 628) Lecanora pulicaris (Pers.) Ach.  [Lecanoraceae]
 * 629) Syn.: Lecanora coilocarpa (Ach.) Nyl.
 * 630) Skorepa et al. (1977) – Calvert Co., on deciduous trees.
 * 631) Skorepa et al. (1979) – on bark.
 * 632) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple.
 * 633) Lecanora strobilina (Spreng.) Kieffer  [Lecanoraceae]
 * 634) Biechele (2002) – lower eastern shore of Maryland.
 * 635) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple; Prince George's Co., on bark of pines.
 * 636) Lendemer & Knapp (2007) - (2. Idylwild)
 * 637) Lecanora subpallens Zahlbr. -  [Lecanoraceae]
 * 638) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown)
 * 639) Lecanora thysanophora R.C. Harris  [Lecanoraceae]
 * 640) Thomas E. Wilson, III (4 Dec 2006) – IMG_9960.JPG, photographed on tree trunk in woodland on eastern side of Baltimore County, MD.
 * 641) Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.)
 * 642) Lecanora xylophila Hue  [Lecanoraceae]
 * 643) Syn.: Lecanora laevis Poelt (N.A. records are L. xylophila)
 * 644) Skorepa et al. (1977) – Baltimore Co., on wave-washed timbers.
 * 645) Skorepa et al. (1979) – on wood.
 * 646) Lecidea cyrtidia Tuck.  [Lecideaceae]
 * 647) Skorepa et al. (1977) – Washington Co., on rocks.
 * 648) Skorepa et al. (1979) – on acidic rock.
 * 649) Lecidea plebeja Nyl.  [Lecideaceae]
 * 650) Syn.: Lecidea myriocarpoides Nyl.
 * 651) Skorepa et al. (1979) – on wood.
 * 652) Lendemer & Knapp (2007) - (2. Idylwild)
 * 653) Lecidella stigmatea (Ach.) Hertel & Leuckert  [Lecanoraceae]
 * 654) Syn.: Lecidea stigmatea Ach.
 * 655) Skorepa et al. (1979) – on acidic rock.
 * 656) Lepraria caesiella R.C. Harris  [Family Not Determined]
 * 657) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown)
 * 658) Lepraria aff. incana (L.) Ach.  [Family Not Determined]
 * 659) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild)
 * 660) Lepraria lobificans Nyl.  [Family Not Determined]
 * 661) Syn.: Lepraria finkii (B. de Lesd.) R.C. Harris
 * 662) E.G. Worthley Herbarium - Baltimore Co., Gunpowder River Area, on Quercus alba.
 * 663) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, rock near water.
 * 664) Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake)
 * 665) Lepraria membranacea (Dickson) Vainio  [Family Not Determined]
 * 666) Syn.: Leproloma membranaceum (Dickson) Vainio
 * 667) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls.
 * 668) Lepraria neglecta (Nyl.) Erichsen  [Family Not Determined]
 * 669) Syn.: Lepraria zonata Brodo = L.caesioalba or L. neglecta.
 * 670) Skorepa et al. (1977) – Baltimore Co., on acid rocks.
 * 671) Skorepa et al. (1979) – on bark, acidic rock.
 * 672) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls; Montgomery Co., Great Falls.
 * 673) Leptogium azureum (Sw.) Mont.  [Collemataceae]
 * 674) Skorepa et al. (1977) – Montgomery Co., Plummers Is. (collected by Fink).
 * 675) Skorepa et al. (1979) – on acidic rock.
 * 676) Leptogium cyanescens (Rabenh.) Körber  [Collemataceae]
 * 677) Skorepa et al. (1977) – Worcester Co., on trunks of deciduous trees.
 * 678) Skorepa et al. (1979) – on bark, acidic rock.
 * 679) Biechele (2002) – lower eastern shore of Maryland.
 * 680) E.G. Worthley Herbarium - Baltimore Co., Gunpowder River, on vertical rocks; Frederick Co., Cunningham Falls.
 * 681) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 682) Leptogium lichenoides (L.) Zahlbr.  [Collemataceae]
 * 683) Skorepa et al. (1977) – Allegany Co., on bark of deciduous trees.
 * 684) Skorepa et al. (1979) – on bark, acidic rock.
 * 685) Leptogium phyllocarpum (Pers.) Mont.  [Collemataceae]
 * 686) Biechele (2002) – lower eastern shore of Maryland.
 * 687) Leptogium subtile (Schrader) Torss.  [Collemataceae]
 * 688) Syn.: Leptogium minutissimum (Flörke) Fr.
 * 689) Skorepa et al. (1977) – Montgomery Co., on rock ledge.
 * 690) Skorepa et al. (1979) – on acidic rock.
 * 691) Lichenoconium erodens M.S. Christ. & D. Hawksw.  [Anamorphic Ascomycetes]
 * 692) Lendemer & Knapp (2007) - (5. Hickory Pt.) (on Lecanora cinereofusca)
 * 693) Lichenodiplis lecanorae (Vouaux) Dyko & D. Hawksw.  [Anamorphic Ascomycetes]
 * 694) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, a specimen of Pertusaria xanthodes U-243, was collected growing on a small dead oak branch.  This crustose lichen contained a lichenicolous fungus and a sample of this fungus was sent to the Farlow Herbarium where it was forwarded to Dr. David Hawksworth, who identified it as Lichenodiplis lecanorae.
 * 695) Lobaria pulmonaria (L.) Hoffm.  [Lobariaceae]
 * 696) Skorepa et al. (1979) – on bark.
 * 697) Biechele (2002) – lower eastern shore of Maryland.
 * 698) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls.
 * 699) Lobaria quercizans Michaux  [Lobariaceae]
 * 700) Skorepa et al. (1977) – Garrett Co., on trunk of deciduous tree.
 * 701) Skorepa et al. (1979) – on bark.
 * 702) Biechele (2002) – lower eastern shore of Maryland.
 * 703) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls.
 * 704) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 705) Loxospora pustulata (Brodo & Culb.) R.C. Harris  [Loxosporaceae]
 * 706) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown)
 * 707) Melanelia culbersonii (Hale) Thell  [Parmeliaceae]
 * 708) Syn.: Cetraria culbersonii Hale
 * 709) Skorepa et al. (1977) – Allegany Co., on exposed rock.
 * 710) Skorepa et al. (1979) – on acidic rock.
 * 711) E.G. Worthley Herbarium - Allegany Co., Dans Rock Overlook.
 * 712) Melanelixia subaurifera (Nyl.) O. Blanco et al.  [Parmeliaceae]
 * 713) Syns.: Parmelia subaurifera Nyl., Melanelia subaurifera (Nyl.) Essl.
 * 714) Skorepa et al. (1977) – Allegany Co., on deciduous trees.
 * 715) Skorepa et al. (1979) – on bark.
 * 716) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple.
 * 717) Melanohalea exasperata (De Not.) O. Blanco et al..  [Parmeliaceae]
 * 718) Syns.: Parmelia exasperata De Not., Melanelia exasperata (De Not.) Essl.
 * 719) Skorepa et al. (1979) – on bark.
 * 720) E.G. Worthley Herbarium - Baltimore Co., Owings Mills.
 * 721) Metamelanea melambola (Tuck.) Henssen  [Lichinaceae]
 * 722) Syn.Pyrenopsis melambola (Tuck.) Tuck.
 * 723) Skorepa et al. (1979) – on calcareous rock.
 * 724) Micarea erratica (Körber) Hertel, Rambold & Pietschmann  [Micareaceae]
 * 725) Syn.: Lecidea erratica Körber
 * 726) Skorepa et al. (1977) – Baltimore Co., on pebbles.
 * 727) Skorepa et al. (1979) – on acidic rock.
 * 728) E.G. Worthley Herbarium - Garrett Co., Carey Run, in open field.
 * 729) Lendemer & Knapp (2007) - (2. Idylwild)
 * 730) Minutoexcipula mariana V. Atienza* (on Pertusaria)  [Family Not Determined]
 * 731) Lendemer & Knapp (2007) - (4. Sharptown)
 * 732) Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth  [Porpidiaceae]
 * 733) Syn.: Lecidea berengeriana (Massal.) Nyl.
 * 734) Skorepa et al. (1977) – Frederick Co., on oak trunks.
 * 735) Skorepa et al. (1979) – on bark.
 * 736) E.G. Worthley Herbarium - Montgomery Co., Great Falls, on old wood.
 * 737) Myelochroa aurulenta (Tuck.) Elix & Hale  [Parmeliaceae]
 * 738) Syns: Parmelia aurulenta Tuck.
 * 739) Skorepa et al. (1977) – Baltimore Co., on rocks.
 * 740) Skorepa et al. (1979) – on bark, acidic rock.
 * 741) E.G. Worthley Herbarium - Baltimore Co., along Gunpowder River, on rock outcrops.
 * 742) E.C. Uebel Herbarium – Baltimore County, Liberty Reservoir; Prince George's Co., on bark.
 * 743) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 744) Myelochroa galbina (Ach.) Elix & Hale  [Parmeliaceae]
 * 745) Syn.: Parmelia galbina Ach.
 * 746) Skorepa et al. (1977) – Allegany Co., on trunks of deciduous trees.
 * 747) Skorepa et al. (1979) – on bark.
 * 748) E.G. Worthley Herbarium - Allegany Co., along Terrapin Run, on trunks of deciduous trees.
 * 749) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 750) Myelochroa metarevoluta (Asah.) Elix & Hale  [Parmeliaceae]
 * 751) Syn.: Parmelia metarevoluta (Asahina) Hale
 * 752) Skorepa et al. (1977) – Montgomery Co., on oak trunk.
 * 753) Skorepa et al. (1979) – on bark.
 * 754) Myelochroa obsessa (Ach.) Elix & Hale  [Parmeliaceae]
 * 755) Syn.: Parmelia obsessa Ach.
 * 756) Skorepa et al. (1977) – Baltimore Co., on acid rocks.
 * 757) Skorepa et al. (1979) – on bark, acidic rock.
 * 758) E.G. Worthley Herbarium - Baltimore Co., near Little Gunpowder River, on rock ledges.
 * 759) Nadvornikia sorediata R.C. Harris  [Thelotremataceae]
 * 760) Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.), (6. Pocomoke)
 * 761) Nephroma helveticum Ach. subsp. helveticum   [Nephromataceae]
 * 762) Skorepa et al. (1977) – Montgomery Co., Plummers Is. (collected by Fink).
 * 763) Skorepa et al. (1979) – on acidic rock.
 * 764) Normandina pulchella (Borrer) Nyl.  [Verrucariaceae]
 * 765) Skorepa et al. (1979) – on bark.
 * 766) Ochrolechia androgyna (Hoffm.) Arnold  [Pertusariaceae]
 * 767) Skorepa et al. (1977) – Anne Arundel Co.
 * 768) Skorepa et al. (1979) – on acidic rock.
 * 769) Ochrolechia cinera Chev.  [Pertusariaceae]
 * 770) Biechele (2002) – lower eastern shore of Maryland.
 * 771) Ochrolechia pseudopallescens Brodo  [Pertusariaceae]
 * 772) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 773) Ochrolechia trochophora var. trochophora (Vainio) Oshio  [Pertusariaceae]
 * 774) Syn.: Ochrolechia rosella (Müll. Arg.) Vers.
 * 775) Biechele (2002) – lower eastern shore of Maryland.
 * 776) Ochrolechia yasudae Vainio  [Pertusariaceae]
 * 777) Skorepa et al. (1977) – Frederick Co. (collected by Plitt).
 * 778) Skorepa et al. (1979) – on acidic rock.
 * 779) Opegrapha varia Pers.  [Roccellaceae]
 * 780) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 781) Opegrapha viridis Pers.  [Roccellaceae]
 * 782) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 783) Opegrapha vulgata Ach.  [Roccellaceae]
 * 784) Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake), (4. Sharptown)
 * 785) Pannaria conoplea (Ach.) Bory  [Pannariaceae]
 * 786) Syn.: Pannaria pityrea auct.
 * 787) Skorepa et al. (1979) – on bark.
 * 788) Pannaria lurida (Mont.) Nyl.  [Pannariaceae]
 * 789) Skorepa et al. (1979) – on bark.
 * 790) Biechele (2002) – lower eastern shore of Maryland.
 * 791) Parmelia saxatilis (L.) Ach.  [Parmeliaceae]
 * 792) Skorepa et al. (1977) – Frederick Co., in mature oak woods.
 * 793) Skorepa et al. (1979) – on bark, acidic rock.
 * 794) E.G. Worthley Herbarium - Baltimore Co., along Gunpowder River, on bark of Quercus velutina.
 * 795) Parmelia squarrosa Hale  [Parmeliaceae]
 * 796) Skorepa et al. (1977) – Garrett Co., on Acer.
 * 797) Skorepa et al. (1979) – on bark.
 * 798) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 799) Parmelia sulcata Taylor  [Parmeliaceae]
 * 800) Skorepa et al. (1977) – Washington Co., on deciduous trees.
 * 801) Skorepa et al. (1979) – on bark, acidic rock.
 * 802) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Carroll Co., on bark of Fraxinus americana.
 * 803) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple.
 * 804) Parmelinopsis horrescens (Taylor) Elix & Hale  [Parmeliaceae]
 * 805) Syn.: Parmelia horrescens Taylor
 * 806) Skorepa et al. (1977) – Calvert Co., on trunks of pines.
 * 807) Skorepa et al. (1979) – on bark.
 * 808) E.G. Worthley Herbarium - Worcester Co., Milburn Landing, on bark of Pinus taeda.
 * 809) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke)
 * 810) Parmelinopsis minarum (Vainio) Elix & Hale  [Parmeliaceae]
 * 811) Syn.: Parmelia dissecta Nyl.
 * 812) Skorepa et al. (1977) – Frederick Co., on oak trunk.
 * 813) Skorepa et al. (1979) – on bark, acidic rock.
 * 814) E.G. Worthley Herbarium - Lichens of Soldiers Delight.
 * 815) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.)
 * 816) Parmeliopsis ambigua (Wulfen) Nyl.  [Parmeliaceae]
 * 817) Skorepa et al. (1977) – Garrett Co., on trunk of deciduous tree.
 * 818) Skorepa et al. (1979) – on bark.
 * 819) E.G. Worthley Herbarium - Worcester Co., Milburn Landing, on bark of Pinus taeda.
 * 820) Parmeliopsis hyperopta (Ach.) Arnold  [Parmeliaceae]
 * 821) Syn.: Parmeliopsis diffusa (Weber) Riddle
 * 822) E.G. Worthley Herbarium - Baltimore Co., Owings Mills.
 * 823) Parmeliopsis subambigua Gyelnik  [Parmeliaceae]
 * 824) Syn.: Parmeliopsis halei (Tuck.) Hale
 * 825) Skorepa et al. (1977) – Worcester Co., on pine trunks.
 * 826) Skorepa et al. (1979) – on bark.
 * 827) Lendemer & Knapp (2007) - (4. Sharptown), (6. Pocomoke)
 * 828) Parmotrema cetratum (Ach.) Hale  [Parmeliaceae]
 * 829) Syns.: Parmelia cetrata Ach, Rimelia cetrata (Ach.) Hale & Fletcher
 * 830) Skorepa et al. (1977) – Worcester Co., on trunk of Sweet gum.
 * 831) Skorepa et al. (1979) – on bark.
 * 832) Parmotrema chinense (Osbeck) Hale & Ahti  [Parmeliaceae]
 * 833) Syn.: Parmotrema perlatum (Huds.) Choisy
 * 834) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple, on oak limb.
 * 835) Parmotrema crinitum (Ach.) M. Choisy  [Parmeliaceae]
 * 836) Syn.: Parmelia crinita Ach.
 * 837) Skorepa et al. (1977) – Worcester Co., on trunk of pine.
 * 838) Skorepa et al. (1979) – on bark.
 * 839) E.G. Worthley Herbarium - Baltimore Co., Owings Mills, on trees.
 * 840) Parmotrema dilatatum (Vainio) Hale  [Parmeliaceae]
 * 841) Syn.: Parmelia dilatata Vainio
 * 842) Skorepa et al. (1977) – Dorchester Co., on trunks of deciduous trees.
 * 843) Skorepa et al. (1979) – on bark.
 * 844) Parmotrema eurysacum (Hue) Hale  [Parmeliaceae]
 * 845) Syn.: Parmelia eurysaca Hue
 * 846) Skorepa et al. (1977) – Baltimore Co. (collected by Plitt).
 * 847) Skorepa et al. (1979) – on bark.
 * 848) Parmotrema gardneri (Dodge) Serux.  [Parmeliaceae]
 * 849) Biechele (2002) – lower eastern shore of Maryland.
 * 850) Parmotrema hypoleucinum (B. Stein) Hale  [Parmeliaceae]
 * 851) Biechele (2002) – lower eastern shore of Maryland.
 * 852) Parmotrema hypoleucinum (J. Steiner) Hale  [Parmeliaceae]
 * 853) Lendemer & Knapp (2007) - (4. Sharptown), (6. Pocomoke)
 * 854) Parmotrema hypotropum (Nyl.) Hale  [Parmeliaceae]
 * 855) Syn.: Parmelia hypotropa Nyl.
 * 856) Skorepa et al. (1977) – Kent Co., on trees.
 * 857) Skorepa et al. (1979) – on bark.
 * 858) Biechele (2002) – lower eastern shore of Maryland.
 * 859) E.G. Worthley Herbarium - Kent Co., on trees; Somerset Co., on deciduous trees; Wicomico Co.; Worcester Co., on bark of Pinus taeda.
 * 860) E.C. Uebel Herbarium – Baltimore Co.; Prince George's Co., on bark and boulder.
 * 861) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown), (6. Pocomoke)
 * 862) Parmotrema margaritatum (Hue) Hale  [Parmeliaceae]
 * 863) Syn.: Parmelia margaritata Hue
 * 864) Skorepa et al. (1979) – on bark.
 * 865) Parmotrema perforatum (Jacq.) A. Massal.  [Parmeliaceae]
 * 866) Syn.: Parmelia perforata (Jacq.) Ach.
 * 867) Skorepa et al. (1977) – Charles Co., on deciduous trees.
 * 868) Skorepa et al. (1979) – on bark.
 * 869) Biechele (2002) – lower eastern shore of Maryland.
 * 870) E.G. Worthley Herbarium - Prince George's Co., on bark of oak; Worcester Co., Milburn Landing.
 * 871) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 872) Parmotrema reticulatum (Taylor) M. Choisy  [Parmeliaceae]
 * 873) Syns.: Parmelia reticulata Taylor, Rimelia reticulata (Taylor) Hale & Fletcher
 * 874) Skorepa et al. (1977) – Charles Co., on deciduous trees.
 * 875) Skorepa et al. (1979) – on bark.
 * 876) Biechele (2002) – lower eastern shore of Maryland.
 * 877) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Worcester Co., on bark of Taxodium and Acer rubrum.
 * 878) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 879) Parmotrema stuppeum (Taylor) Hale  [Parmeliaceae]
 * 880) Syn.: Parmelia stuppea Taylor
 * 881) Skorepa et al. (1977) – Garrett Co., on trunk of oak.
 * 882) Skorepa et al. (1979) – on bark.
 * 883) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple.
 * 884) Parmotrema subisidiosum (Müll. Arg.) Hale
 * 885) Biechele (2002) – lower eastern shore of Maryland.
 * 886) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke)
 * 887) Parmotrema submarginale (Michx.) DePriest & Hale  [Parmeliaceae]
 * 888) Syn.: Parmelia michauxiana Zahlbr.
 * 889) Skorepa et al. (1977) – Charles Co., on deciduous trees.
 * 890) Skorepa et al. (1979) – on bark.
 * 891) E.G. Worthley Herbarium - Calvert Co., Battle Creek Cypress Swamp, on bark; Worcester Co., Milburn Landing, on deciduous trees.
 * 892) Lendemer & Knapp (2007) - (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke)
 * 893) Parmotrema subtinctorium (Zahlbr.) Hale  [Parmeliaceae]
 * 894) Syn.: Parmelia subcrinita Nyl.
 * 895) Skorepa et al. (1977) – Somerset Co., on deciduous trees.
 * 896) Skorepa et al. (1979) – on bark.
 * 897) Parmotrema xanthinum (Müll. Arg.) Hale  [Parmeliaceae]
 * 898) Syn.: Parmelia xanthina (Müll. Arg.) Vainio
 * 899) Skorepa et al. (1979) – on bark.
 * 900) Biechele (2002) – lower eastern shore of Maryland.
 * 901) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 902) Peltigera aphthosa (L.) Willd.  [Peltigeraceae]
 * 903) Skorepa et al. (1977) – No County, (Thomson, 1940).
 * 904) Peltigera canina (L.) Willd.  [Peltigeraceae]
 * 905) Skorepa et al. (1977) – Garrett Co., with moss on sandstone.
 * 906) E.G. Worthley Herbarium - Garrett Co., Casselman Bridge State Park, on sandstone rocks; Wicomico Co., on sandy soil.
 * 907) Peltigera didactyla (With.) J. R. Laundon  [Peltigeraceae]
 * 908) Syn.: Peltigera spuria (Ach.) DC.
 * 909) Skorepa et al. (1977) – Washington Co., on rock in seepage area.
 * 910) Peltigera elisabethae Gyelnik  [Peltigeraceae]
 * 911) Skorepa et al. (1977) – Baltimore Co., with moss on wet rocks.
 * 912) Peltigera evansiana Gyelnik  [Peltigeraceae]
 * 913) Skorepa et al. (1977) – Baltimore Co., (collected by Plitt).
 * 914) Peltigera horizontalis (Hudson) Baumg.  [Peltigeraceae]
 * 915) Skorepa et al. (1977) – Baltimore Co., (collected by Merrill 1906).
 * 916) Peltigera neckeri Müll. Arg.  [Peltigeraceae]
 * 917) Biechele (2002) – lower eastern shore of Maryland.
 * 918) Peltigera polydactylon (Necker) Hoffm.  [Peltigeraceae]
 * 919) Skorepa et al. (1977) – Garrett Co., on moss covered rocks.
 * 920) Peltigera praetextata (Flörke ex Sommerf.) Zopf  [Peltigeraceae]
 * 921) Skorepa et al. (1977) – Dorchester Co., at base of tree.
 * 922) Biechele (2002) – lower eastern shore of Maryland.
 * 923) Lendemer & Knapp (2007) - (3. Chesapeake)
 * 924) Peltigera rufescens (Weiss) Humb.  [Peltigeraceae]
 * 925) Biechele (2002) – lower eastern shore of Maryland.
 * 926) Peltula euploca (Ach.) Poelt   [Peltulaceae]
 * 927) Skorepa et al. (1979) – on soil.
 * 928) Pertusaria amara (Ach.) Nyl.  [Pertusariaceae]
 * 929) Skorepa et al. (1979) – on bark.
 * 930) Pertusaria epixantha R.C. Harris  [Pertusariaceae]
 * 931) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 932) Pertusaria globularis (Ach.) Tuck.  [Pertusariaceae]
 * 933) Skorepa et al. (1979) – on other.
 * 934) Pertusaria hypothamnolica Dibben  [Pertusariaceae]
 * 935) Skorepa et al. (1979) – on bark.
 * 936) Pertusaria macounii (Lamb) Dibben   [Pertusariaceae]
 * 937) Skorepa et al. (1979) – on bark.
 * 938) Pertusaria multipunctoides Dibben  [Pertusariaceae]
 * 939) Skorepa et al. (1979) – on bark.
 * 940) Biechele (2002) – lower eastern shore of Maryland.
 * 941) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on trunk of Carya.
 * 942) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 943) Pertusaria ophthalmiza (Nyl.) Nyl.  [Pertusariaceae]
 * 944) Biechele (2002) – lower eastern shore of Maryland.
 * 945) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 946) Pertusaria paratuberculifera Dibben  [Pertusariaceae]
 * 947) Pertusaria tuberculifera Nyl is misidentification for N.A., most specimens are P. paratuberculifera.
 * 948) Skorepa et al. (1977) – Frederick Co., on oak trunks.
 * 949) Skorepa et al. (1979) – on bark.
 * 950) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke)
 * 951) Pertusaria plittiana Erichsen  [Pertusariaceae]
 * 952) Skorepa et al. (1979) – on acidic rock.
 * 953) Pertusaria propinqua Müll. Arg.  [Pertusariaceae]
 * 954) Skorepa et al. (1979) – on bark.
 * 955) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 956) Pertusaria pustulata (Ach.) Duby  [Pertusariaceae]
 * 957) Skorepa et al. (1979) – on bark.
 * 958) E.C. Uebel Herbarium – Prince George's Co., on dead limb of deciduous tree.
 * 959) Lendemer & Knapp (2007) - (1. Millington)
 * 960) Pertusaria rubefacta Erichsen  [Pertusariaceae]
 * 961) Skorepa et al. (1979) – on bark.
 * 962) Pertusaria subpertusa Brodo  [Pertusariaceae]
 * 963) Skorepa et al. (1979) – on bark.
 * 964) Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke)
 * 965) Pertusaria tetrathalamia (Fée) Nyl.  [Pertusariaceae]
 * 966) Skorepa et al. (1979) – on bark.
 * 967) Pertusaria texana Müll. Arg.  [Pertusariaceae]
 * 968) Skorepa et al. (1979) – on bark.
 * 969) Lendemer & Knapp (2007) - (2. Idylwild)
 * 970) Pertusaria trachythallina Erichsen  [Pertusariaceae]
 * 971) Skorepa et al. (1979) – on bark.
 * 972) Pertusaria velata (Turner) Nyl.  [Pertusariaceae]
 * 973) Skorepa et al. (1977) – Frederick Co., in oak woods.
 * 974) Skorepa et al. (1979) – on bark.
 * 975) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke)
 * 976) Pertusaria waghornei Hulting  [Pertusariaceae]
 * 977) Skorepa et al. (1979) – on bark.
 * 978) Pertusaria xanthodes Müll. Arg.  [Pertusariaceae]
 * 979) Skorepa et al. (1977) – Harford Co., on tree bark.
 * 980) Skorepa et al. (1979) – on bark.
 * 981) E.G. Worthley Herbarium - Calvert Co.; Frederick Co.; Washington Co., on bark of Quercus velutina.
 * 982) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of dead oak branch.
 * 983) Phaeocalicium curtisii (Tuck.) Tibell  [Mycocaliciaceae]
 * 984) E.G. Worthley Herbarium - Baltimore Co., on twigs of Rhus glabra.
 * 985) Phaeocalicium polyporaeum (Nyl.) Tibell  [Mycocaliciaceae]
 * 986) E.C. Uebel Herbarium – a specimen of Violet Toothed Polypore [Trichaptum biforme (Fries) Ryvarden] was collected with Flavoparmelia caperata (U-65) growing on the bark of a fallen oak tree at Liberty Reservoir in Baltimore County.  The T. biforme had a stubble lichen growing on it which was identified by Dr. Steven Selva as Phaeocalicium polyporaeum.
 * 987) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke)
 * 988) Phaeographis inusta (Ach.) Müll. Arg.  [Graphidaceae]
 * 989) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown)
 * 990) Phaeophyscia adiastola (Essl.) Essl.  [Physciaceae]
 * 991) Syns.: Physcia orbicularis (Necker) Poetsch; Phaeophyscia orbicularis (Necker) Moberg
 * 992) Skorepa et al. (1977) – Allegany Co., on oak trunk.
 * 993) Skorepa et al. (1979) – on bark, acidic rock, other.
 * 994) E.G. Worthley Herbarium – Worcester Co., on bark of Taxodium; Frederick Co., Cunningham Falls; Baltimore Co., Church of the Brethren.
 * 995) Phaeophysica ciliata (Hoffm.) Moberg  [Physciaceae]
 * 996) Syn.: Physcia ciliata (Hoffm.) Du Rietz
 * 997) Skorepa et al. (1977) – Caroline Co., on cement bridge.
 * 998) Skorepa et al. (1979) – on bark.
 * 999) Phaeophyscia hirsuta (Mereschk.) Essl.  [Physciaceae]
 * 1000) Syns.: Physcia hirsuta Mereschk., Phaeophyscia cernohorskyi (Nádv.) Essl.
 * 1001) Skorepa et al. (1979) – on cement.
 * 1002) Phaeophyscia hirtella Essl.  [Physciaceae]
 * 1003) Skorepa et al. (1979) – on bark.
 * 1004) Phaeophyscia hispidula (Ach.) Essl.  [Physciaceae]
 * 1005) Syn.: Phaeophyscia imbricata Vainio
 * 1006) Skorepa et al. (1979) – on bark.
 * 1007) Phaeophyscia pusilloides (Zahlbr.) Essl.  [Physciaceae]
 * 1008) Syn.: Physcia pusilloides Zahlbr.
 * 1009) Skorepa et al. (1977) – Frederick Co., on trees.
 * 1010) Skorepa et al. (1979) – on bark.
 * 1011) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bark of Norway Maple;
 * 1012) Phaeophyscia rubropulchra (Degel.) Essl.  [Physciaceae]
 * 1013) Syn.: Physcia orbicularis f. rubropulchra Degel.
 * 1014) Skorepa et al. (1977) – Garrett Co., in upland woods.
 * 1015) Skorepa et al. (1979) – on bark, acidic rock, other.
 * 1016) Biechele (2002) – lower eastern shore of Maryland.
 * 1017) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., Liberty Reservoir, on trunk of Tulip tree.
 * 1018) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild)
 * 1019) Phlyctis ludoviciensis (Müll. Arg.) Lendemer  [Phlyctidaceae]
 * 1020) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 1021) Physcia adscendens (Fr.) H. Olivier  [Physciaceae]
 * 1022) Skorepa et al. (1977) – Allegany Co., on deciduous trees.
 * 1023) Skorepa et al. (1979) – on bark, calcareous rock.
 * 1024) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., St. Thomas Cemetery, on gravestone.
 * 1025) Physcia aipolia (Ehrh. ex Humb.) Fürnr. var. aipolia    [Physciaceae]
 * 1026) Skorepa et al. (1977) – Worcester Co., on deciduous trees.
 * 1027) Skorepa et al. (1979) – on bark.
 * 1028) Biechele (2002) – lower eastern shore of Maryland.
 * 1029) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Frederick Co., Cunningham Falls.
 * 1030) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on bark; Baltimore Co., on Norway Maple.
 * 1031) Physcia americana G. Merr.  [Physciaceae]
 * 1032) Syn.: Physcia tribacoides Nyl.
 * 1033) Skorepa et al. (1977) – Worcester Co., on deciduous trees.
 * 1034) Skorepa et al. (1979) – on bark, acidic rock, calcareous rock.
 * 1035) E.G. Worthley Herbarium - Baltimore Co., Grace Methodist Church, Gunpowder River, on Tulip Tree; Frederick Co., Cunningham Falls.
 * 1036) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.)
 * 1037) Physcia millegrana Degel.  [Physciaceae]
 * 1038) Skorepa et al. (1977) – Garrett Co., on oak.
 * 1039) Skorepa et al. (1979) – on bark, acidic rock.
 * 1040) Biechele (2002) – lower eastern shore of Maryland.
 * 1041) E.G. Worthley Herbarium - Calvert Co.; Wicomico Co.; Carroll Co., Falls Realty Company, on cement steps.
 * 1042) E.C. Uebel Herbarium – Prince Georges Co., on dead limb; Carroll Co., Liberty Reservoir, on bark.
 * 1043) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1044) Physcia phaea (Tuck.) J.W. Thomson  [Physciaceae]
 * 1045) Skorepa et al. (1977) – Baltimore Co., (collected by Plitt 1909)
 * 1046) Skorepa et al. (1979) – on acidic rock.
 * 1047) Physcia pseudospeciosa J.W. Thomson  [Physciaceae]
 * 1048) Skorepa et al. (1977) – Baltimore Co., on acid rocks.
 * 1049) Skorepa et al. (1979) – on acidic rock.
 * 1050) E.G. Worthley Herbarium - Baltimore Co., near Gunpowder River, on vertical acidic rocks.
 * 1051) Physcia pumilior R.C. Harris  [Physciaceae]
 * 1052) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1053) Physcia stellaris (L.) Nyl.  [Physciaceae]
 * 1054) Skorepa et al. (1977) – Baltimore Co., on oak.
 * 1055) Skorepa et al. (1979) – on bark.
 * 1056) Biechele (2002) – lower eastern shore of Maryland.
 * 1057) E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple; Prince George's Co., on bark.
 * 1058) Physcia subtilis Degel.  [Physciaceae]
 * 1059) Skorepa et al. (1977) – Montgomery Co., on rock ledges.
 * 1060) Skorepa et al. (1979) – on acidic rock.
 * 1061) E.G. Worthley Herbarium - Frederick Co., Cunningham Falls.
 * 1062) Physciella chloantha (Ach.) Essl.  [Physciaceae]
 * 1063) Syn.: Physcia luganensis Mereschk.
 * 1064) Skorepa et al. (1977) – Queen Anne's Co., on cement bridge.
 * 1065) Skorepa et al. (1979) – on bark, cement.
 * 1066) E.C. Uebel Herbarium – Prince George's Co., along bike path, on concrete; on tree branch.
 * 1067) Physconia detersa (Nyl.) Poelt  [Physciaceae]
 * 1068) Skorepa et al. (1979) – on bark, calcareous rock, cement.
 * 1069) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Green Spring Valley, on brick wall; on old cement bridge.
 * 1070) Placidium arboreum (Schwein. ex Michener) Lendemer  [Verrucariaceae]
 * 1071) Syn.: Dermatocarpon tuckermanii (Rav.) Zahlbr.; Placidium tuckermanii (Ravenel ex Mont.) Breuss
 * 1072) Skorepa et al. (1977) – Allegany Co., base of White Oak.
 * 1073) Skorepa et al. (1979) – on bark.
 * 1074) E.G. Worthley Herbarium - Allegany Co., Green Ridge State Forest, on base of White Oak.
 * 1075) Placidium lachneum (Ach.) Breuss  [Verrucariaceae]
 * 1076) E.G. Worthley Herbarium - Lichens of Soldiers Delight.
 * 1077) Placynthiella uliginosa (Schrader) Coppins & P. James  [Agyriaceae]
 * 1078) Syn.: Lecidea uliginosa (Schrad.) Ach.
 * 1079) Skorepa et al. (1977) – Dorchester Co., on oak trunk.
 * 1080) Skorepa et al. (1979) – on bark.
 * 1081) Biechele (2002) – lower eastern shore of Maryland.
 * 1082) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1083) Placynthium nigrum (Hudson) Gray  [Placynthiaceae]
 * 1084) Skorepa et al. (1977) – Garrett Co., on block of cement.
 * 1085) Skorepa et al. (1979) – on calcareous rock, cement.
 * 1086) E.G. Worthley Herbarium - Baltimore Co., St. Thomas Church Cemetery, on rock wall.
 * 1087) Platismatia tuckermanii (Oakes) Culb. & C. Culb.  [Parmeliaceae]
 * 1088) Skorepa et al. (1977) – Garrett Co., on sandstone boulder.
 * 1089) Skorepa et al. (1979) – on bark, acidic rock, wood
 * 1090) Polysporina simplex (Davies) Vezda  [Acarosporaceae]
 * 1091) Syn.: Sarcogyne simplex (Davies) Nyl.
 * 1092) Skorepa et al. (1979) – on acidic rock.
 * 1093) E.G. Worthley Herbarium - Howard Co., on rock outcrop.
 * 1094) Porina cestrensis (Tuck. ex Michener) Müll. Arg.  [Trichotheliaceae]
 * 1095) Skorepa et al. (1979) – on bark.
 * 1096) Porina heterospora (Fink ex J. Hedrick) R.C. Harris [Trichotheliaceae]
 * 1097) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 1098) Porpidia albocaerulescens (Wulfen) Hertel & Knoph  [Porpidiaceae]
 * 1099) Syn.: Lecanora albocaerulescens (Wulf.) Ach.
 * 1100) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1101) Skorepa et al. (1979) – on acidic rock.
 * 1102) E.G. Worthley Herbarium - Baltimore Co., near small bridge, on Wissahickon schist; Frederick Co.; Garrett Co., on rocks along Big Run.
 * 1103) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on sandstone boulder.
 * 1104) Porpidia crustulata? (Ach.) Hertel & Knoph  [Porpidiaceae]
 * 1105) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 1106) Porpidia macrocarpa (DC.) Hertel & A. J. Schwab  [Porpidiaceae]
 * 1107) Syn.: Lecidea macrocarpa (DC.) Steud.
 * 1108) Skorepa et al. (1977) – Garrett Co., on sandstone.
 * 1109) Skorepa et al. (1979) – on acidic rock.
 * 1110) Protoblastenia rupestris (Scop.) J. Steiner  [Psoraceae]
 * 1111) Skorepa et al. (1979) – on calcareous rock, cement.
 * 1112) Pseudevernia consocians (Vainio) Hale & Culb.  [Parmeliaceae]
 * 1113) Syn.: Parmelia furfuracea (L.) Ach.
 * 1114) Skorepa et al. (1977) – Garrett Co., on upper branches of Hemlock.
 * 1115) Skorepa et al. (1979) – on bark.
 * 1116) E.G. Worthley Herbarium - Baltimore Co., Owings Mills.
 * 1117) Pseudosagedia cestrensis (Tuck. ex E. Michener) R.C. Harris  [Porinaceae]
 * 1118) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1119) Pseudosagedia raphidosperma (Müll. Arg.) R.C. Harris  [Porinaceae]
 * 1120) Lendemer & Knapp (2007) - (4. Sharptown)
 * 1121) Psora decipiens (Hedwig) Hoffm.  [Psoraceae]
 * 1122) Syn.: Lecidea decipiens (Hedwig) Ach.
 * 1123) Skorepa et al. (1979) – on soil.
 * 1124) Psora russellii (Tuck.) A. Schneider  [Psoraceae]
 * 1125) Syn.: Lecidea russellii Tuck.
 * 1126) Skorepa et al. (1977) – Frederick Co., on conglomerate boulders.
 * 1127) Skorepa et al. (1979) – on calcareous rock.
 * 1128) Psorotichia schaereri (A. Massal.) Arnold  [Lichinaceae]
 * 1129) Skorepa et al. (1979) – on cement.
 * 1130) Psorula rufonigra (Tuck.) Gotth. Schneider  [Psoraceae]
 * 1131) Syn.: Lecidea rufonigra (Tuck.) Nyl.
 * 1132) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1133) Skorepa et al. (1979) – on acidic rock.
 * 1134) Punctelia appalachensis (Culb.) Krog  [Parmeliaceae]
 * 1135) Syn.: Parmelia appalachensis Culb.
 * 1136) Skorepa et al. (1979) – on bark.
 * 1137) Punctelia bolliana (Müll. Arg.) Krog  [Parmeliaceae]
 * 1138) Syn.: Parmelia bolliana Müll. Arg.
 * 1139) Skorepa et al. (1979) – on bark.
 * 1140) Punctelia borreri (Sm.) Krog  [Parmeliaceae]
 * 1141) Syn.: Parmelia borreri (Sm.) Turner
 * 1142) Skorepa et al. (1979) – on bark.
 * 1143) Punctelia missouriensis G. Wilh. & Ladd
 * 1144) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1145) Punctelia perreticulata (Räsänen) G. Wilh. & Ladd  [Parmeliacae]
 * 1146) Syns.: Punctelia subrudecta (Nyl.) Krog, Parmelia subrudecta Nyl.
 * 1147) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1148) Skorepa et al. (1979) – on bark, acidic rock.
 * 1149) Biechele (2002) – lower eastern shore of Maryland.
 * 1150) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Owings Mills, on bark.
 * 1151) E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bark of Norway Maple.
 * 1152) Lendemer & Knapp (2007) - (4. Sharptown)
 * 1153) Punctelia rudecta (Ach.) Krog  [Parmeliaceae]
 * 1154) Syn.: Parmelia rudecta Ach.
 * 1155) Skorepa et al. (1977) – Caroline Co., on trunks of trees.
 * 1156) Skorepa et al. (1979) – on bark, acidic rock.
 * 1157) Biechele (2002) – lower eastern shore of Maryland.
 * 1158) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Ivy Mill Road, on bark; Calvert Co.; Wicomico Co.; Carroll Co., on bark of Tulip Tree.
 * 1159) E.C. Uebel Herbarium – Prince George's Co., on dead limb; Carroll Co., Liberty Reservoir, on bark.
 * 1160) Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.), (6. Pocomoke)
 * 1161) Pycnothelia papillaria Dufour  [Cladoniaceae]
 * 1162) Skorepa et al. (1977) – Prince George's Co., along dirt road.
 * 1163) Skorepa et al. (1979) – on soil.
 * 1164) Biechele (2002) – lower eastern shore of Maryland.
 * 1165) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 1166) Pyrenula pseudobufonia (Rehm) R.C. Harris  [Pyrenulaceae]
 * 1167) Syn.: Pyrenula neglecta R.C. Harris
 * 1168) Skorepa et al. (1979) – on bark.
 * 1169) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.)
 * 1170) Pyrenula punctella Trevis.  [Pyrenulaceae]
 * 1171) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 1172) Pyrenula subelliptica (Tuck.) R.C. Harris  [Pyrenulaceae]
 * 1173) Syn.: Pyrenula imperfecta (Ellis & Everh.) R.C. Harris
 * 1174) Skorepa et al. (1979) – on bark.
 * 1175) Pyrrhospora varians (Ach.) R.C. Harris  [Lecanoraceae]
 * 1176) Syn.: Lecidea varians Ach.
 * 1177) Skorepa et al. (1977) – Worcester Co., on twigs of Myrica.
 * 1178) Skorepa et al. (1979) – on bark.
 * 1179) Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke)
 * 1180) Pyxine caesiopruinosa (Tuck.) Imshaug  [Physciaceae]
 * 1181) Skorepa et al. (1977) – Howard Co., on tree.
 * 1182) Skorepa et al. (1979) – on bark.
 * 1183) E.G. Worthley Herbarium - Baltimore Co., on bark of Juglans nigra; Carroll Co., on bark of Juglans nigra.
 * 1184) Pyxine sorediata (Ach.) Mont.  [Physciaceae]
 * 1185) Skorepa et al. (1977) – Garrett Co., on oak.
 * 1186) Skorepa et al. (1979) – on bark.
 * 1187) Biechele (2002) – lower eastern shore of Maryland.
 * 1188) E.G. Worthley Herbarium – Frederick Co.; Baltimore Co., growing on a sterile crust, Pertusaria?
 * 1189) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on tree root; Ridge Road, on bark Norway Maple.
 * 1190) Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown)
 * 1191) Pyxine subcinerea Stirton  [Physciaceae]
 * 1192) E.C. Uebel Herbarium – Prince George's Co., on oak bark; Baltimore Co., on maple bark.
 * 1193) Ramalina americana? Hale  [Ramalinaceae]
 * 1194) Biechele (2002) – lower eastern shore of Maryland.
 * 1195) Ramalina fastigiata (Pers.) Ach.  [Ramalinaceae]
 * 1196) Skorepa et al. (1977) – Worcester Co., on branches of deciduous trees.
 * 1197) Skorepa et al. (1979) – on bark.
 * 1198) Ramalina willeyi R. Howe  [Ramalinaceae]
 * 1199) Skorepa et al. (1977) – Worcester Co., on branches of deciduous trees.
 * 1200) Biechele (2002) – lower eastern shore of Maryland.
 * 1201) Ramonia microspora Vězda  [Gyalectaceae]
 * 1202) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1203) Rhizocarpon concentricum (Davies) Beltr.  [Rhizocarpaceae]
 * 1204) E.G. Worthley Herbarium - Garrett Co., Swallow Falls State Forest, on sandstone.
 * 1205) Rhizocarpon eupetraeum (Nyl.) Arnold  [Rhizocarpaceae]
 * 1206) Syn.: Rhizocarpon intermedium Degel.
 * 1207) Skorepa et al. (1979) – on acidic rock.
 * 1208) Rhizocarpon geographicum (L.) DC.  [Rhizocarpaceae]
 * 1209) Skorepa et al. (1979) – on acidic rock.
 * 1210) Rhizocarpon obscuratum (Ach.) A. Massal.  [Rhizocarpaceae]
 * 1211) Skorepa et al. (1977) – Baltimore Co., on rock outcrop.
 * 1212) Skorepa et al. (1979) – on acidic rock.
 * 1213) Rhizoplaca chrysoleuca (Sm.) Zopf  [Lecanoraceae]
 * 1214) Syn.: Lecanora rubina (Vill.) Ach.; Lecanora chrysoleuca (Sm.) Ach.
 * 1215) Skorepa et al. (1977) – Montgomery Co., on rock ledges.
 * 1216) Skorepa et al. (1979) – on acidic rock.
 * 1217) E.G. Worthley Herbarium - Frederick Co., Mt. Catoctin Park; Montgomery Co., Great Falls, on rocks.
 * 1218) Rimelia subisidiosa (Müll. Arg.) Hale & Fletcher  [Parmeliaceae]
 * 1219) Syn.: Parmelia subisidiosa (Müll. Arg.) C.W. Dodge
 * 1220) Skorepa et al. (1979) – on bark.
 * 1221) Rinodina applanata H. Magn.  [Physciaceae]
 * 1222) Skorepa et al. (1979) – on bark.
 * 1223) Rinodina ascociscana Tuck.  [Physciaceae]
 * 1224) Skorepa et al. (1979) – on bark.
 * 1225) Rinodina exigua (Ach.) Gray  [Physciaceae]
 * 1226) Skorepa et al. (1979) – on bark.
 * 1227) Rinodina ochrocea Willey ex Fink  [Physciaceae]
 * 1228) Skorepa et al. (1979) – on acidic rock.
 * 1229) Rinodina oxydata (A. Massal.) A. Massal.  [Physciaceae]
 * 1230) Skorepa et al. (1979) – on acidic rock.
 * 1231) Rinodina papillata H. Magn.  [Physciaceae]
 * 1232) Skorepa et al. (1979) – on bark.
 * 1233) Rinodina subminutaH. Magn.  [Physciaceae]
 * 1234) Skorepa et al. (1979) – on bark.
 * 1235) Sarcogyne clavus (DC.) Kremp.  [Acarosporaceae]
 * 1236) Skorepa et al. (1979) – on acidic rock.
 * 1237) Sarcogyne regularis Körber  [Acarosporaceae]
 * 1238) Skorepa et al. (1979) – on calcareous rock.
 * 1239) E.C. Uebel Herbarium – Prince George's Co., Greenbelt, on hill of concrete.
 * 1240) Sarcosagium campestre (Fr.) Poetsch & Schiedem.  [Acarosporaceae]
 * 1241) Syn.: Biatorella campestris (Fr.) Almq.
 * 1242) Skorepa et al. (1979) – on soil.
 * 1243) Schismatomma glaucescens (Nyl. ex Willey) R.C. Harris  [Roccellaceae]
 * 1244) Lendemer & Knapp (2007) - (4. Sharptown)
 * 1245) Scoliciosporum chlorococcum (Stenh.) Vezda  [Lecanoraceae]
 * 1246) Syn.: Bacidia chlorococca (Graeve ex Stizenb.) Lett.
 * 1247) Skorepa et al. (1977) – Montgomery Co., on oak.
 * 1248) Skorepa et al. (1979) – on bark.
 * 1249) E.G. Worthley Herbarium - Worcester Co., Milburn Landing.
 * 1250) E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of Acer rubrum.
 * 1251) Lendemer & Knapp (2007) - (2. Idylwild)
 * 1252) Scoliciosporum umbrinum (Ach.) Arnold  [Lecanoraceae]
 * 1253) Syn.: Bacidia umbrina (Ach.) Bausch
 * 1254) Skorepa et al. (1977) – Garrett Co., on aspens.
 * 1255) Skorepa et al. (1979) – on acid rock.
 * 1256) Sphinctrina turbinata (Pers ex Fr.) de Not.  [Sphinctrinaceae]
 * 1257) E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on Aspicilia caesiocinerea.
 * 1258) Sticta fuliginosa (Hoffm.) Ach.  [Lobariaceae]
 * 1259) E.G. Worthley Herbarium - Frederick Co., along Appalachian Trail, on soil.
 * 1260) Teloschistes chrysophthalmus (L.) Th. Fr.  [Teloschistaceae]
 * 1261) Skorepa et al. (1979) – on bark.
 * 1262) Tephromela atra (Huds.) Hafellner  [Bacidiaceae]
 * 1263) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 1264) Thelidium minutulum Körber  [Verrucariaceae]
 * 1265) Lendemer & Knapp (2007) - (5. Hickory Pt.)
 * 1266) Thelotrema monospermum R.C. Harris  [Thelotremataceae]
 * 1267) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 1268) Thelotrema subtile Tuck.  [Thelotremataceae]
 * 1269) Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke)
 * 1270) Trapelia coarctata (Sm.) M. Choisy  [Agyriaceae]
 * 1271) Syn.: Lecidea coarctata (Sm.) Nyl.
 * 1272) Skorepa et al. (1979) – on acidic rock.
 * 1273) Trapeliopsis flexuosa (Fr.) Coppins & P. James  [Agyriaceae]
 * 1274) Syn.: Lecidea aeruginosa Borrer
 * 1275) Skorepa et al. (1977) – Harford Co., on fence post.
 * 1276) Skorepa et al. (1979) – on wood.
 * 1277) E.C. Uebel Herbarium – Prince George's Co., NE Branch of Anacostia River Bike Trail, on weathered fence rail.
 * 1278) Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake)
 * 1279) Trapeliopsis granulosa (Hoffm.) Lumbsch  [Agyriaceae]
 * 1280) Syn.: Lecidea granulosa (Hoffm.) Ach.
 * 1281) Skorepa et al. (1979) – on soil.
 * 1282) E.G. Worthley Herbarium - Montgomery Co., Great Falls, on timber.
 * 1283) Trypethelium virens Tuck. ex Michener  [Trypetheliaceae]
 * 1284) Skorepa et al. (1979) – on bark.
 * 1285) E.G. Worthley Herbarium - Calvert Co., on bark.
 * 1286) Lendemer & Knapp (2007) - (4. Sharptown), (5. Hickory Pt.)
 * 1287) Tuckermanella fendleri (Nyl.) Essl.  [Parmeliaceae]
 * 1288) Syn.: Cetraria fendleri (Nyl.) Tuck.; Tuckermannopsis fendleri (Nyl.) Hale
 * 1289) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1290) Skorepa et al. (1979) – on bark.
 * 1291) Biechele (2002) – lower eastern shore of Maryland.
 * 1292) E.G. Worthley Herbarium - Wicomico Co., Wicomico State Park; on Loblolly Pine; Worcester Co., Milburn Landing, on bark of Loblolly Pines.
 * 1293) Tuckermannopsis americana (Sprengel) Hale  [Parmeliaceae]
 * 1294) Lendemer & Knapp (2007) - (4. Sharptown)
 * 1295) Tuckermannopsis ciliaris (Ach.) Gyelnik  [Parmeliaceae]
 * 1296) Syn.: Cetraria ciliaris Ach.
 * 1297) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1298) Skorepa et al. (1979) – on bark.
 * 1299) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Wicomico Co., on bark.
 * 1300) Umbilicaria mammulata (Ach.) Tuck.  [Umbilicariaceae]
 * 1301) Syn.: Gyrophora dillenii (Tuck.) Müll.
 * 1302) Skorepa et al. (1977) – Garrett Co., on conglomerate.
 * 1303) Skorepa et al. (1979) – on bark, acidic rock.
 * 1304) E.G. Worthley Herbarium - Baltimore Co., Loch Raven, on rock outcrop; Frederick Co., South Mt., on boulders; Montgomery Co., Sugarloaf Mt., on boulders.
 * 1305) Umbilicaria muehlenbergii (Ach.) Tuck.  [Umbilicariaceae]
 * 1306) Skorepa et al. (1977) – Allegany Co., on rock outcrop.
 * 1307) Skorepa et al. (1979) – on acidic rock.
 * 1308) Umbilicaria vellea (L.) Hoffm.  [Umbilicariaceae]
 * 1309) Skorepa et al. (1977) – No locality. (collected by Plitt 1912)
 * 1310) Skorepa et al. (1979) – on acidic rock.
 * 1311) Usnea filipendula Stirton  [Parmeliaceae]
 * 1312) Syn.: Usnea dasypoga (Ach.) Rohl.
 * 1313) Skorepa et al. (1977) – Garrett Co., (collected by Smith).
 * 1314) Skorepa et al. (1979) – on bark.
 * 1315) Usnea mutabilis Stirton  [Parmeliaceae]
 * 1316) Skorepa et al. (1977) – Worcester Co., on pines.
 * 1317) Skorepa et al. (1979) – on bark.
 * 1318) Biechele (2002) – lower eastern shore of Maryland.
 * 1319) E.G. Worthley Herbarium - Worcester Co., Pocomoke State Park, on Taxodium distichum.
 * 1320) Usnea pensylvanica Motyka  [Parmeliaceae]
 * 1321) Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke)
 * 1322) Usnea strigosa (Ach.) Eaton  [Parmeliaceae]
 * 1323) Skorepa et al. (1977) – Worcester Co., on deciduous trees.
 * 1324) Biechele (2002) – lower eastern shore of Maryland.
 * 1325) E.G. Worthley Herbarium – Worcester Co.; Calvert Co, Battle Creek Cypress Swamp; St. Mary's Co.; Wicomico Co.
 * 1326) E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple.
 * 1327) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 1328) Usnea strigosa subsp. rubiginea (Michaux) I. Tav.  [Parmeliaceae]
 * 1329) Syn.: Usnea rubiginea (Michx.) Massal.
 * 1330) Skorepa et al. (1977) – Worcester Co., on deciduous trees.
 * 1331) Skorepa et al. (1979) – on bark.
 * 1332) Usnea subscabrosa Nyl. ex Motyka  [Parmeliaceae]
 * 1333) Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke)
 * 1334) Usnea trichodea Ach.  [Parmeliaceae]
 * 1335) Skorepa et al. (1977) – Worcester Co., on tops of Cypress trees.
 * 1336) Skorepa et al. (1979) – on bark.
 * 1337) Biechele (2002) – lower eastern shore of Maryland.
 * 1338) Lendemer & Knapp (2007) - (6. Pocomoke)
 * 1339) Verrucaria calciseda DC.  [Verrucariaceae]
 * 1340) Skorepa et al. (1979) – on calcareous rock.
 * 1341) Verrucaria fuscella (Turner) Winch  [Verrucariaceae]
 * 1342) Skorepa et al. (1979) – on calcareous rock.
 * 1343) Verrucaria glaucovirens Grummann  [Verrucariaceae]
 * 1344) Syn.: Verrucaria virens Nyl.
 * 1345) Skorepa et al. (1979) – on calcareous rock.
 * 1346) Verrucaria muralis Ach.  [Verrucariaceae]
 * 1347) Skorepa et al. (1979) – on calcareous rock.
 * 1348) Verrucaria nigrescens Pers.  [Verrucariaceae]
 * 1349) Skorepa et al. (1977) – Lichens of Soldiers Delight.
 * 1350) Skorepa et al. (1979) – on calcareous rock.
 * 1351) Verrucaria pinguicula A. Massal.  [Verrucariaceae]
 * 1352) Skorepa et al. (1979) – on calcareous rock.
 * 1353) Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Kondr.  [Teloschistaceae]
 * 1354) Syn.: Xanthoria fallax (Hepp) Arn.
 * 1355) Skorepa et al. (1977) – Worcester Co., on deciduous trees.
 * 1356) Skorepa et al. (1979) – on bark, cement.
 * 1357) Biechele (2002) – lower eastern shore of Maryland.
 * 1358) Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Kondr.  [Teloschistaceae]
 * 1359) Syn.: Xanthoria fulva (Hoffm.) Poelt & Petutschnig
 * 1360) E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple.
 * 1361) Xanthoparmelia angustiphylla (Gyelnik) Hale  [Parmeliaceae]
 * 1362) Syn.: Parmelia hypopsila Müll. Arg. = Xanthoparmelia hypopsila, but N.A. records are Xanthoparmelia angustiphylla.
 * 1363) Skorepa et al. (1977) – Baltimore Co., on rock outcrop.
 * 1364) Skorepa et al. (1979) – on acidic rock.
 * 1365) Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale   [Parmeliaceae]
 * 1366) Syn.: Parmelia conspersa (Ach.) Ach.
 * 1367) Skorepa et al. (1977) – Garrett Co., on rock outcrop.
 * 1368) Skorepa et al. (1979) – on acidic rock.
 * 1369) E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Gunpowder River, on rock outcrops; Frederick Co.
 * 1370) Xanthoparmelia cumberlandia (Gyelnik) Hale  [Parmeliaceae]
 * 1371) Syn.: Parmelia cumberlandia (Gyelnik) Hale
 * 1372) Skorepa et al. (1977) – Baltimore Co., on rocks on hillside.
 * 1373) Skorepa et al. (1979) – on acidic rock.
 * 1374) Xanthoparmelia plittii (Gyelnk) Hale  [Parmeliaceae]
 * 1375) Syn.: Parmelia plittii Gyelnik
 * 1376) Skorepa et al. (1977) – Washington Co., on rock outcrops.
 * 1377) Skorepa et al. (1979) – on acidic rock.
 * 1378) E.C. Uebel Herbarium – Lichens of Soldiers Delight.
 * 1379) Xanthoparmelia subramigera (Gyelnik) Hale  [Parmeliaceae]
 * 1380) E.C. Uebel Herbarium – Prince George's Co., Berwyn Heights, on roof shingles (identified by Dr. Richard C. Harris).
 * 1381) Xanthoparmelia tasmanica (Hook. f. & Taylor) Hale  [Parmeliaceae]
 * 1382) Syn.: Parmelia tasmanica Hook. f. & Taylor
 * 1383) Skorepa et al. (1979) – on acidic rock.
 * 1384) Xanthoparmelia viriduloumbrina (Gyelnik) Lendemer  [Parmeliaceae]
 * 1385) Syn: Parmelia taractica Kremplh. = Xanthoparmelia taractica (Kremp.) Hale – known from Mexico, but misidentifications for our area; specimens in eastern N.A. are X. viriduloumbrina.
 * 1386) Skorepa et al. (1977) (Parmelia taractica) – Baltimore Co., on serpentine rocks.
 * 1387) Skorepa et al. (1979) (Parmelia taractica) – on acidic rock.
 * 1388) E.G. Worthley Herbarium (Parmelia taractica); Allegany Co. (Parmelia taractica), Green Ridge State Forest, on red shale; Carroll Co. (Parmelia taractica), Church of the Brethren, on stone wall.
 * 1389) Xanthoria parietina? (L.) Th. Fr.  [Teloschistaceae]
 * 1390) Biechele (2002) – lower eastern shore of Maryland.