List of Canadian plants by family A

Main page: List of Canadian plants by family

Families: A | B | C | D | E | F | G | H | I J K | L | M | N | O | P Q | R | S | T | U V W | X Y Z

Acanthaceae

 * Justicia americana — common water-willow

Aceraceae

 * Acer circinatum — vine maple
 * Acer glabrum — Douglas maple
 * Acer macrophyllum — bigleaf maple
 * Acer negundo — box-elder
 * Acer nigrum — black maple
 * Acer pensylvanicum — striped maple
 * Acer rubrum — red maple
 * Acer saccharinum — silver maple
 * Acer saccharum — sugar maple
 * Acer spicatum — mountain maple
 * Acer × freemanii — Freeman's maple

Acoraceae

 * Acorus americanus — sweetflag

Adelanthaceae

 * Odontoschisma denudatum
 * Odontoschisma elongatum
 * Odontoschisma gibbsiae
 * Odontoschisma macounii
 * Odontoschisma sphagni

Adoxaceae

 * Adoxa moschatellina — muskroot
 * Viburnum acerifolium — mapleleaf viburnum
 * Viburnum edule — squashberry
 * Viburnum lantanoides — alderleaf viburnum
 * Viburnum lentago — nannyberry
 * Viburnum nudum — possum-haw viburnum
 * Viburnum opulus — guelder-rose viburnum
 * Viburnum rafinesquianum — downy arrowwood
 * Viburnum recognitum — northern arrowwood

Agavaceae

 * Yucca filamentosa — common yucca
 * Yucca glauca — small soapweed yucca

Alismataceae

 * Alisma gramineum — narrowleaf water-plantain
 * Alisma subcordatum — broad-leaved water-plantain
 * Alisma triviale — northern water-plantain
 * Sagittaria brevirostra — short-beaked arrowhead
 * Sagittaria calycina — longlobe arrowhead
 * Sagittaria cristata — crested arrowhead
 * Sagittaria cuneata — Wapatum arrowhead
 * Sagittaria graminea — grassleaf arrowhead
 * Sagittaria latifolia — broadleaf arrowhead
 * Sagittaria rigida — sessile-fruit arrowhead

Amaranthaceae

 * Amaranthus albus — white pigweed
 * Amaranthus californicus — California amaranth
 * Amaranthus powellii — green amaranth
 * Amaranthus rudis — tall amaranth
 * Amaranthus tuberculatus — roughfruit amaranth

Amblystegiaceae

 * Amblystegium serpens — amblystegium moss
 * Amblystegium varium
 * Calliergon cordifolium — calliergon moss
 * Calliergon giganteum — giant calliergon moss
 * Calliergon megalophyllum
 * Calliergon obtusifolium
 * Calliergon orbicularicordatum
 * Calliergon richardsonii
 * Calliergon stramineum
 * Calliergon trifarium
 * Calliergonella cuspidata
 * Campylium cardotii
 * Campylium chrysophyllum
 * Campylium halleri
 * Campylium hispidulum
 * Campylium polygamum — campylium moss
 * Campylium radicale
 * Campylium stellatum — yellow starry fen moss
 * Conardia compacta
 * Cratoneuron filicinum
 * Drepanocladus aduncus — drepanocladus moss
 * Drepanocladus brevifolius
 * Drepanocladus capillifolius
 * Drepanocladus crassicostatus
 * Drepanocladus sendtneri
 * Hamatocaulis lapponicus
 * Hamatocaulis vernicosus
 * Hygroamblystegium fluviatile
 * Hygroamblystegium noterophilum
 * Hygroamblystegium tenax
 * Hygrohypnum alpestre
 * Hygrohypnum alpinum
 * Hygrohypnum bestii
 * Hygrohypnum cochlearifolium
 * Hygrohypnum duriusculum
 * Hygrohypnum eugyrium
 * Hygrohypnum luridum
 * Hygrohypnum micans
 * Hygrohypnum molle
 * Hygrohypnum montanum
 * Hygrohypnum norvegicum
 * Hygrohypnum ochraceum
 * Hygrohypnum polare
 * Hygrohypnum smithii
 * Hygrohypnum styriacum
 * Hygrohypnum subeugyrium
 * Leptodictyum humile
 * Leptodictyum riparium
 * Limprichtia cossonii
 * Limprichtia revolvens — limprichtia moss
 * Loeskypnum badium
 * Loeskypnum wickesiae
 * Palustriella commutata
 * Palustriella decipiens
 * Platylomella lescurii
 * Pseudocalliergon turgescens
 * Sanionia uncinata
 * Sarmenthypnum sarmentosum
 * Scorpidium scorpioides
 * Warnstorfia exannulata — warnstorfia moss
 * Warnstorfia fluitans — warnstorfia moss
 * Warnstorfia procera
 * Warnstorfia pseudostraminea
 * Warnstorfia trichophylla
 * Warnstorfia tundrae

Anacardiaceae

 * Rhus aromatica — fragrant sumac
 * Rhus copallinum — winged sumac
 * Rhus glabra — smooth sumac
 * Rhus trilobata — skunkbush
 * Rhus typhina — staghorn sumac
 * Rhus × pulvinata
 * Toxicodendron diversilobum — western poison-oak
 * Toxicodendron radicans — eastern poison-ivy
 * Toxicodendron rydbergii — northern poison-oak
 * Toxicodendron vernix — poison-sumac

Andreaeaceae

 * Andreaea alpestris
 * Andreaea blyttii
 * Andreaea crassinervia
 * Andreaea heinemannii
 * Andreaea megistospora
 * Andreaea mutabilis
 * Andreaea nivalis
 * Andreaea obovata
 * Andreaea rothii
 * Andreaea rupestris
 * Andreaea schofieldiana
 * Andreaea sinuosa

Andreaeobryaceae

 * Andreaeobryum macrosporum

Aneuraceae

 * Aneura pinguis
 * Riccardia chamedryfolia
 * Riccardia latifrons
 * Riccardia multifida — comb liverwort
 * Riccardia palmata

Annonaceae

 * Asimina triloba — pawpaw

Anomodontaceae

 * Anomodon attenuatus
 * Anomodon minor
 * Anomodon rostratus
 * Anomodon rugelii
 * Anomodon viticulosus
 * Haplohymenium triste
 * Pterogonium gracile

Antheliaceae

 * Anthelia julacea
 * Anthelia juratzkana

Anthocerotaceae

 * Anthoceros agrestis
 * Anthoceros fusiformis
 * Anthoceros macounii

Apiaceae

 * Angelica archangelica — Norwegian angelica
 * Angelica arguta — Lyall's angelica
 * Angelica atropurpurea — great angelica
 * Angelica dawsonii — Dawson's angelica
 * Angelica genuflexa — kneeling angelica
 * Angelica laurentiana — St. Lawrence angelica
 * Angelica lucida — seacoast angelica
 * Angelica venenosa — hairy angelica
 * Berula erecta — wild parsnip
 * Bupleurum americanum — American thorowax
 * Chaerophyllum procumbens — spreading chervil
 * Chaerophyllum tainturieri — Tainturier's chervil
 * Cicuta bulbifera — bulb-bearing water-hemlock
 * Cicuta douglasii — western water-hemlock
 * Cicuta maculata — spotted water-hemlock
 * Cicuta virosa — MacKenzie's water-hemlock
 * Cnidium cnidiifolium — Jakutsk snow parsley
 * Conioselinum chinense — Chinese hemlock-parsley
 * Conioselinum gmelinii — western hemlock-parsley
 * Cryptotaenia canadensis — Canada honewort
 * Cymopterus acaulis — plains wavewing
 * Daucus pusillus — southwestern carrot
 * Erigenia bulbosa — harbinger-of-spring
 * Glehnia littoralis — American glehnia
 * Heracleum maximum — cow-parsnip
 * Hydrocotyle americana — American water-pennywort
 * Hydrocotyle umbellata — many-flowered pennywort
 * Hydrocotyle verticillata — whorled pennywort
 * Ligusticum calderi — Calder's lovage
 * Ligusticum canbyi — Canby's wild lovage
 * Ligusticum scoticum — Scotch lovage
 * Ligusticum verticillatum — Idaho lovage
 * Lilaeopsis chinensis — eastern lilæopsis
 * Lilaeopsis occidentalis — western lilæopsis
 * Lomatium ambiguum — streambank desert-parsley
 * Lomatium brandegeei — Brandegee's desert-parsley
 * Lomatium cous — cousroot desert-parsley
 * Lomatium dissectum — fernleaf desert-parsley
 * Lomatium foeniculaceum — carrotleaf desert-parsley
 * Lomatium geyeri — Geyer's desert-parsley
 * Lomatium grayi — mountain desert-parsley
 * Lomatium macrocarpum — largefruit desert-parsley
 * Lomatium martindalei — coast range lomatium
 * Lomatium nudicaule — nakedstem desert-parsley
 * Lomatium orientale — Oriental desert-parsley
 * Lomatium sandbergii — Sandberg's desert-parsley
 * Lomatium simplex — umbrella desert-parsley
 * Lomatium triternatum — ternate desert-parsley
 * Lomatium utriculatum — foothill desert-parsley
 * Musineon divaricatum — wild parsley
 * Oenanthe sarmentosa — water-parsley
 * Osmorhiza berteroi — Chilean sweet-cicely
 * Osmorhiza claytonii — hairy sweet-cicely
 * Osmorhiza depauperata — bluntfruit sweet-cicely
 * Osmorhiza longistylis — smoother sweet-cicely
 * Osmorhiza occidentalis — western sweet-cicely
 * Osmorhiza purpurea — purple sweet-cicely
 * Oxypolis occidentalis — western cowbane
 * Oxypolis rigidior — stiff cowbane
 * Perideridia gairdneri — Gairdner's yampah
 * Podistera macounii — Macoun's podistera
 * Podistera yukonensis — Yukon podistera
 * Sanicula arctopoides — bear's-foot sanicle
 * Sanicula bipinnatifida — purple black snakeroot
 * Sanicula canadensis — short-styled sanicle
 * Sanicula crassicaulis — Pacific black snakeroot
 * Sanicula graveolens — sierra sanicle
 * Sanicula marilandica — Maryland black snakeroot
 * Sanicula odorata — clustered black snakeroot
 * Sanicula trifoliata — large-fruited sanicle
 * Sium suave — hemlock water-parsnip
 * Taenidia integerrima — yellow pimpernel
 * Thaspium barbinode — hairyjoint meadow-parsnip
 * Thaspium trifoliatum — purple meadow-parsnip
 * Yabea microcarpa — California hedge-parsley
 * Zizia aptera — golden alexanders
 * Zizia aurea — common alexanders

Apocynaceae

 * Apocynum androsaemifolium — spreading dogbane
 * Apocynum cannabinum — clasping-leaf dogbane
 * Apocynum × floribundum — hybrid dogbane

Aquifoliaceae

 * Ilex glabra — ink-berry
 * Ilex verticillata — black holly
 * Nemopanthus mucronatus — mountain holly

Araceae

 * Arisaema dracontium — green dragon
 * Arisaema triphyllum — swamp Jack-in-the-pulpit
 * Calla palustris — wild calla
 * Lysichiton americanus — yellow skunk-cabbage
 * Peltandra virginica — green arrow-arum
 * Symplocarpus foetidus — skunk-cabbage

Araliaceae

 * Aralia hispida — bristly sarsaparilla
 * Aralia nudicaulis — wild sarsaparilla
 * Aralia racemosa — American spikenard
 * Oplopanax horridus — Devil's-club
 * Panax quinquefolius — American ginseng
 * Panax trifolius — dwarf ginseng

Archidiaceae

 * Archidium ohioense

Aristolochiaceae

 * Asarum canadense — Canada wild-ginger
 * Asarum caudatum — long-tailed wild-ginger

Arnelliaceae

 * Arnellia fennica

Asclepiadaceae

 * Asclepias exaltata — poke milkweed
 * Asclepias hirtella — green milkweed
 * Asclepias incarnata — swamp milkweed
 * Asclepias lanuginosa — woolly milkweed
 * Asclepias ovalifolia — dwarf milkweed
 * Asclepias purpurascens — purple milkweed
 * Asclepias quadrifolia — whorled milkweed
 * Asclepias speciosa — showy milkweed
 * Asclepias sullivantii — prairie milkweed
 * Asclepias syriaca — Kansas milkweed
 * Asclepias tuberosa — butterfly milkweed
 * Asclepias verticillata — whorled milkweed
 * Asclepias viridiflora — green milkweed

Aspleniaceae

 * Asplenium adulterinum — ladder spleenwort
 * Asplenium platyneuron — ebony spleenwort
 * Asplenium rhizophyllum — walking-fern spleenwort
 * Asplenium ruta-muraria — wallrue spleenwort
 * Asplenium scolopendrium — hart's-tongue fern
 * Asplenium trichomanes — maidenhair spleenwort
 * Asplenium viride — green spleenwort

Asteraceae

 * Achillea millefolium — common yarrow
 * Achillea sibirica — Siberian yarrow
 * Adenocaulon bicolor — American trail-plant
 * Ageratina altissima — white snakeroot
 * Agoseris aurantiaca — orange-flowered false-dandelion
 * Agoseris gaspensis — Gaspé Peninsula agoseris
 * Agoseris glauca — pale goat-chicory
 * Agoseris grandiflora — largeflower false-dandelion
 * Agoseris heterophylla — annual false-dandelion
 * Agoseris lackschewitzii — pink agoseris
 * Almutaster pauciflorus — marsh alkali aster
 * Ambrosia acanthicarpa — flatspine bursage
 * Ambrosia artemisiifolia — annual ragweed
 * Ambrosia chamissonis — silver bursage
 * Ambrosia coronopifolia — western ragweed
 * Ambrosia psilostachya — nakedspike ambrosia
 * Ambrosia trifida — great ragweed
 * Ambrosia × helenae
 * Anaphalis margaritacea — pearly everlasting
 * Antennaria alpina — alpine pussytoes
 * Antennaria anaphaloides — handsome pussytoes
 * Antennaria aromatica — aromatic pussytoes
 * Antennaria corymbosa — meadow pussytoes
 * Antennaria densifolia — dense-leaved antennaria
 * Antennaria dimorpha — two-form pussytoes
 * Antennaria eucosma — Newfoundland pussytoes
 * Antennaria flagellaris — stoloniferous pussytoes
 * Antennaria friesiana — Fries' pussytoes
 * Antennaria howellii — small pussytoes
 * Antennaria lanata — white-margined pussytoes
 * Antennaria luzuloides — silvery-brown pussytoes
 * Antennaria media — Stony Mountain pussytoes
 * Antennaria microphylla — small-leaf cat's-foot
 * Antennaria monocephala — single-head pussytoes
 * Antennaria neglecta — field pussytoes
 * Antennaria parlinii — Parlin's pussytoes
 * Antennaria parvifolia — Nuttall's pussytoes
 * Antennaria plantaginifolia — plantainleaf pussytoes
 * Antennaria pulcherrima — handsome pussytoes
 * Antennaria racemosa — Hooker's pussytoes
 * Antennaria rosea — rosy pussytoes
 * Antennaria stenophylla — narrowleaf pussytoes
 * Antennaria umbrinella — brown pussytoes
 * Antennaria × erigeroides
 * Antennaria × macounii
 * Antennaria × rousseaui
 * Arnica amplexicaulis — streambank arnica
 * Arnica angustifolia — narrowleaf leopardbane
 * Arnica chamissonis — leafy arnica
 * Arnica cordifolia — heart-leaved arnica
 * Arnica frigida — snow leopardbane
 * Arnica fulgens — hillside arnica
 * Arnica gracilis — slender leopardbane
 * Arnica lanceolata
 * Arnica latifolia — mountain arnica
 * Arnica lessingii — Lessing's arnica
 * Arnica lonchophylla — northern arnica
 * Arnica longifolia — longleaf arnica
 * Arnica louiseana — Lake Louise arnica
 * Arnica mollis — hairy arnica
 * Arnica parryi — nodding arnica
 * Arnica rydbergii — subalpine arnica
 * Arnica sororia — twin arnica
 * Arnica × diversifolia — rayless arnica
 * Arnoglossum plantagineum — Indian-plantain
 * Artemisia alaskana — Alaska wormwood
 * Artemisia arctica — boreal sagebrush
 * Artemisia biennis — biennial wormwood
 * Artemisia campestris — Pacific wormwood
 * Artemisia cana — hoary sagebrush
 * Artemisia dracunculus — dragon wormwood
 * Artemisia frigida — prairie sagebrush
 * Artemisia furcata — three-fork wormwood
 * Artemisia globularia — arctic wormwood
 * Artemisia glomerata — Pacific alpine wormwood
 * Artemisia laciniata — Siberian wormwood
 * Artemisia lindleyana — Columbia River wormwood
 * Artemisia longifolia — longleaf wormwood
 * Artemisia ludoviciana — white sagebrush
 * Artemisia michauxiana — Michaux's wormwood
 * Artemisia rupestris — rock wormwood
 * Artemisia suksdorfii — coastal wormwood
 * Artemisia tilesii — Tilesius' wormwood
 * Artemisia tridentata — big sagebrush
 * Artemisia tripartita — three-tip sagebrush
 * Aster alpinus — alpine aster
 * Baccharis halimifolia — eastern baccharis
 * Balsamorhiza deltoidea — deltoid balsamroot
 * Balsamorhiza sagittata — arrowleaf balsamroot
 * Bidens amplissima — Vancouver Island beggarticks
 * Bidens cernua — nodding beggarticks
 * Bidens connata — purplestem beggarticks
 * Bidens coronata — tickseed sunflower
 * Bidens discoidea — swamp beggarticks
 * Bidens eatonii — Eaton's beggarticks
 * Bidens frondosa — Devil's beggarticks
 * Bidens heterodoxa — Connecticut beggarticks
 * Bidens hyperborea — estuary beggarticks
 * Bidens tripartita — three-lobe beggarticks
 * Bidens vulgata — tall bur-marigold
 * Boltonia asteroides — aster-like boltonia
 * Brickellia grandiflora — tassel flower
 * Brickellia oblongifolia — narrowleaf brickell-bush
 * Cacaliopsis nardosmia — silvercrown
 * Canadanthus modestus — great northern aster
 * Chaenactis douglasii — hoary pincushion
 * Chrysothamnus viscidiflorus — sticky-leaf rabbitbrush
 * Cirsium brevistylum — shortstyle thistle
 * Cirsium canescens — prairie thistle
 * Cirsium discolor — field thistle
 * Cirsium drummondii — Drummond's thistle
 * Cirsium edule — edible thistle
 * Cirsium flodmanii — Flodman's thistle
 * Cirsium foliosum — leafy thistle
 * Cirsium hillii — Hill's thistle
 * Cirsium hookerianum — Hooker's thistle
 * Cirsium muticum — swamp thistle
 * Cirsium pitcheri — dune thistle
 * Cirsium scariosum
 * Cirsium undulatum — nodding thistle
 * Cirsium × vancouverense
 * Conyza canadensis — Canada horseweed
 * Coreopsis lanceolata — sand coreopsis
 * Coreopsis rosea — rose coreopsis
 * Coreopsis tinctoria — golden tickseed
 * Coreopsis tripteris — tall tickseed
 * Crepis atribarba — slender hawk's-beard
 * Crepis elegans — elegant hawk's-beard
 * Crepis intermedia — smallflower hawk's-beard
 * Crepis modocensis — Siskiyou hawk's-beard
 * Crepis nana — dwarf alpine hawk's-beard
 * Crepis occidentalis — grey hawk's-beard
 * Crepis runcinata — nakedstem hawk's-beard
 * Crocidium multicaule — common spring-gold
 * Dendranthema arcticum — arctic daisy
 * Doellingeria umbellata — flat-top white aster
 * Echinacea angustifolia — narrow-leaved purple coneflower
 * Echinacea pallida — pale purple coneflower
 * Eclipta prostrata — false daisy
 * Erechtites hieraciifolia — fireweed
 * Ericameria nauseosa — rubber rabbitbrush
 * Erigeron acris — bitter fleabane
 * Erigeron alpiniformis — alpine fleabane
 * Erigeron annuus — whitetop fleabane
 * Erigeron asper — rough fleabane
 * Erigeron aureus — alpine yellow fleabane
 * Erigeron borealis — boreal fleabane
 * Erigeron caespitosus — cæspitose fleabane
 * Erigeron compositus — dwarf mountain fleabane
 * Erigeron corymbosus — longleaf fleabane
 * Erigeron divergens — spreading fleabane
 * Erigeron elatus — tall bitter fleabane
 * Erigeron evermannii — Evermann's fleabane
 * Erigeron filifolius — threadleaf fleabane
 * Erigeron flagellaris — running fleabane
 * Erigeron formosissimus — beautiful fleabane
 * Erigeron glabellus — smooth fleabane
 * Erigeron grandiflorus — largeflower fleabane
 * Erigeron humilis — low fleabane
 * Erigeron hyperboreus — hyperboreal fleabane
 * Erigeron hyssopifolius — daisy fleabane
 * Erigeron lackschewitzii — front range fleabane
 * Erigeron lanatus — woolly fleabane
 * Erigeron leibergii — Leiberg's fleabane
 * Erigeron linearis — linearleaf fleabane
 * Erigeron lonchophyllus — short-ray fleabane
 * Erigeron mexiae — Mex' fleabane
 * Erigeron ochroleucus — buff fleabane
 * Erigeron pallens — pale fleabane
 * Erigeron peregrinus — foreign fleabane
 * Erigeron philadelphicus — Philadelphia fleabane
 * Erigeron poliospermus — hairyseed fleabane
 * Erigeron pulchellus — robin's-plantain
 * Erigeron pumilus — shaggy fleabane
 * Erigeron purpuratus — purple fleabane
 * Erigeron radicatus — tap-rooted fleabane
 * Erigeron salishii — Salish's daisy
 * Erigeron scotteri — Scotter's fleabane
 * Erigeron speciosus — Aspen fleabane
 * Erigeron strigosus — daisy fleabane
 * Erigeron subtrinervis — three-nerve fleabane
 * Erigeron uniflorus — one-flower fleabane
 * Erigeron × arthurii
 * Erigeron yukonensis — Yukon fleabane
 * Eriophyllum lanatum — common woolly-sunflower
 * Eucephalus engelmannii — Engelmann's aster
 * Eucephalus paucicapitatus — olympic aster
 * Eupatorium altissimum — tall boneset
 * Eupatorium dubium — joe-pye thoroughwort
 * Eupatorium fistulosum — hollow joe-pyeweed
 * Eupatorium maculatum — spotted joe-pyeweed
 * Eupatorium perfoliatum — common boneset
 * Eupatorium purpureum — sweet joe-pyeweed
 * Eupatorium × truncatum
 * Eurybia conspicua — showy aster
 * Eurybia divaricata — white wood-aster
 * Eurybia macrophylla — largeleaf wood-aster
 * Eurybia merita — arctic aster
 * Eurybia pygmaea — pygmy wood-aster
 * Eurybia radula — rough wood-aster
 * Eurybia radulina — roughleaf aster
 * Eurybia schreberi — Schreiber's aster
 * Eurybia sibirica — Siberian aster
 * Euthamia caroliniana — slender fragrant goldenrod
 * Euthamia galetorum — narrowleaf fragrant goldenrod
 * Euthamia graminifolia — flat-top fragrant goldenrod
 * Euthamia gymnospermoides — viscid bushy goldenrod
 * Euthamia occidentalis — western fragrant goldenrod
 * Gaillardia aristata — great blanket-flower
 * Gaillardia pulchella — firewheel blanket-flower
 * Gamochaeta ustulata — featherweed
 * Gnaphalium obtusifolium — fragrant cudweed
 * Gnaphalium palustre — western marsh cudweed
 * Gnaphalium viscosum — winged cudweed
 * Grindelia hirsutula — hairy gumweed
 * Grindelia integrifolia — Puget Sound gumweed
 * Grindelia nana — Idaho gumweed
 * Grindelia nuda — curly-top gumweed
 * Grindelia squarrosa — broadleaf gumweed
 * Grindelia stricta — Oregon gumweed
 * Gutierrezia sarothrae — broom snakeweed
 * Helenium autumnale — common sneezeweed
 * Helianthella uniflora — Rocky Mountain rockrose
 * Helianthus annuus — common sunflower
 * Helianthus couplandii — Coupland's sunflower
 * Helianthus decapetalus — thin-leaved sunflower
 * Helianthus divaricatus — woodland sunflower
 * Helianthus giganteus — tall sunflower
 * Helianthus maximiliani — Maximillian's sunflower
 * Helianthus nuttallii — Nuttall's sunflower
 * Helianthus pauciflorus — stiff sunflower
 * Helianthus petiolaris — prairie sunflower
 * Helianthus strumosus — paleleaf sunflower
 * Helianthus tuberosus — Jerusalem artichoke
 * Helianthus × alexidis
 * Helianthus × laetiflorus — hybrid prairie sunflower
 * Helianthus × luxurians
 * Heliopsis helianthoides — smooth oxeye
 * Heterotheca villosa — hairy false goldenaster
 * Hieracium albiflorum — whiteflower hawkweed
 * Hieracium canadense — Canada hawkweed
 * Hieracium cynoglossoides — hound's-tongue hawkweed
 * Hieracium gracile — alpine hawkweed
 * Hieracium groenlandicum — Greenland hawkweed
 * Hieracium gronovii — hairy hawkweed
 * Hieracium kalmii — Kalm's hawkweed
 * Hieracium laevigatum — smooth hawkweed
 * Hieracium marianum — Maryland hawkweed
 * Hieracium paniculatum — panicled hawkweed
 * Hieracium plicatum — boreal hawkweed
 * Hieracium robinsonii — Robinson's hawkweed
 * Hieracium scabrum — rough hawkweed
 * Hieracium scouleri — Scouler's hawkweed
 * Hieracium triste — woolly hawkweed
 * Hieracium umbellatum — umbellate hawkweed
 * Hieracium venosum — rattlesnake hawkweed
 * Hieracium × dutillyanum
 * Hieracium × fassettii
 * Hieracium × fernaldii
 * Hieracium × flagellare
 * Hieracium × grohii
 * Hieracium × stoloniflorum
 * Hymenopappus filifolius — fineleaf woolly-white
 * Hymenoxys richardsonii — Richardson's bitterweed
 * Ionactis linariifolius — flaxleaf aster
 * Ionactis stenomeres — Rocky Mountain aster
 * Iva axillaris — small-flowered marsh-elder
 * Iva frutescens — bigleaf marsh-elder
 * Jaumea carnosa — fleshy jaumea
 * Krigia biflora — two-flower dwarf-dandelion
 * Krigia virginica — Virginia dwarf-dandelion
 * Lactuca biennis — tall blue lettuce
 * Lactuca canadensis — Canada lettuce
 * Lactuca floridana — woodland lettuce
 * Lactuca hirsuta — hairy lettuce
 * Lactuca ludoviciana — western lettuce
 * Lactuca tatarica — Tartarian lettuce
 * Lactuca terrae-novae — Newfoundland lettuce
 * Lasthenia maritima — maritime goldfields
 * Leucanthemum integrifolium — entire-leaf daisy
 * Liatris aspera — tall gayfeather
 * Liatris cylindracea — slender blazingstar
 * Liatris ligulistylis — strapstyle gayfeather
 * Liatris punctata — dotted gayfeather
 * Liatris spheroidea — spherical gayfeather
 * Liatris spicata — marsh blazingstar
 * Liatris × creditonensis
 * Liatris × gladewitzii
 * Luina hypoleuca — littleleaf silverback
 * Lygodesmia juncea — rush skeletonplant
 * Machaeranthera canescens — hoary tansy-aster
 * Machaeranthera grindelioides — western aster
 * Machaeranthera pinnatifida — spiny goldenaster
 * Madia exigua — little tarweed
 * Madia glomerata — mountain tarweed
 * Madia gracilis — grassy tarweed
 * Madia madioides — woodland tarweed
 * Madia minima — smallhead tarweed
 * Matricaria discoidea — pineapple-weed chamomile
 * Megalodonta beckii — Beck's water-marigold
 * Microseris bigelovii — coast microseris
 * Microseris borealis — northern microseris
 * Microseris lindleyi — Lindley's silverpuffs
 * Microseris nutans — nodding silverpuffs
 * Mikania scandens — climbing hempweed
 * Nothocalais cuspidata — prairie false-dandelion
 * Nothocalais troximoides — weevil false-dandelion
 * Oclemena acuminata — whorled aster
 * Oclemena nemoralis — bog aster
 * Oclemena × blakei — Blake's aster
 * Oligoneuron album — prairie goldenrod
 * Oligoneuron houghtonii — Houghton's goldenrod
 * Oligoneuron ohioense — Ohio goldenrod
 * Oligoneuron riddellii — Riddell's goldenrod
 * Oligoneuron rigidum — stiff goldenrod
 * Oligoneuron × bernardii
 * Oligoneuron × krotkovii
 * Oligoneuron × lutescens — upland aster
 * Oligoneuron × maheuxii
 * Omalotheca norvegica — Norwegian cudweed
 * Omalotheca supina — alpine cudweed
 * Omalotheca sylvatica — woodland cudweed
 * Packera aurea — golden ragwort
 * Packera cana — silvery ragwort
 * Packera contermina — northwestern groundsel
 * Packera cymbalaria — dwarf arctic groundsel
 * Packera hyperborealis — boreal groundsel
 * Packera indecora — plains ragwort
 * Packera macounii — Siskiyou Mountains butterweed
 * Packera moresbiensis — Queen Charlotte groundsel
 * Packera obovata — roundleaf groundsel
 * Packera ogotorukensis — Ogotoruk Creek groundsel
 * Packera pauciflora — few-flower ragwort
 * Packera paupercula — balsam ragwort
 * Packera plattensis — prairie ragwort
 * Packera pseudaurea — western golden groundsel
 * Packera schweinitziana — Robbin's squawweed
 * Packera streptanthifolia — cleftleaf ragwort
 * Packera tridenticulata — three-tooth groundsel
 * Petasites frigidus — arctic butterbur
 * Petasites sagittatus — arrowleaf sweet colt's-foot
 * Petasites × vitifolius
 * Picradeniopsis oppositifolia — oppositeleaf false bahia
 * Polymnia canadensis — whiteflower leafcup
 * Prenanthes alata — western rattlesnake-root
 * Prenanthes alba — white rattlesnake-root
 * Prenanthes altissima — tall rattlesnake-root
 * Prenanthes nana — dwarf rattlesnake-root
 * Prenanthes racemosa — glaucous rattlesnake-root
 * Prenanthes sagittata — arrowleaf rattlesnake-root
 * Prenanthes trifoliolata — three-leaved rattlesnake-root
 * Prenanthes × mainensis
 * Pseudognaphalium canescens — Wright's cudweed
 * Psilocarphus brevissimus — round woolly-heads
 * Psilocarphus elatior — tall woolly-heads
 * Psilocarphus tenellus — slender woolly-heads
 * Pyrrocoma carthamoides — largeflower goldenweed
 * Pyrrocoma lanceolata — lance-leaved goldenweed
 * Pyrrocoma uniflora — plantain goldenweed
 * Ratibida columnifera — upright prairie coneflower
 * Ratibida pinnata — greyhead prairie coneflower
 * Rudbeckia fulgida — orange coneflower
 * Rudbeckia hirta — black-eyed susan
 * Rudbeckia laciniata — cut-leaved coneflower
 * Saussurea americana — American saw-wort
 * Saussurea angustifolia — narrowleaf saw-wort
 * Saussurea densa — clustered saw-wort
 * Saussurea viscida — sticky saw-wort
 * Senecio congestus — marsh ragwort
 * Senecio cymbalarioides — cleftleaf groundsel
 * Senecio elmeri — Elmer's ragwort
 * Senecio eremophilus — desert groundsel
 * Senecio fremontii — Fremont's ragwort
 * Senecio hydrophiloides — sweet marsh ragwort
 * Senecio hydrophilus — great swamp ragwort
 * Senecio integerrimus — entire-leaf ragwort
 * Senecio lugens — blacktip groundsel
 * Senecio megacephalus — Nuttall's ragwort
 * Senecio pseudoarnica — seabeach groundsel
 * Senecio sheldonensis — Mount Sheldon groundsel
 * Senecio triangularis — arrowleaf groundsel
 * Sericocarpus rigidus — Curtus' aster
 * Shinnersoseris rostrata — annual skeletonweed
 * Silphium laciniatum — compass plant
 * Silphium perfoliatum — cup-plant
 * Silphium terebinthinaceum — prairie rosinweed
 * Sinosenecio newcombei — Newcombe's groundsel
 * Solidago altissima — tall goldenrod
 * Solidago arguta — cutleaf goldenrod
 * Solidago bicolor — white goldenrod
 * Solidago caesia — bluestem goldenrod
 * Solidago calcicola — rock goldenrod
 * Solidago canadensis — Canada goldenrod
 * Solidago cutleri — Cutler's goldenrod
 * Solidago flexicaulis — broad-leaved goldenrod
 * Solidago gigantea — smooth goldenrod
 * Solidago hispida — hairy goldenrod
 * Solidago juncea — early goldenrod
 * Solidago latissimifolia — Elliott's goldenrod
 * Solidago macrophylla — largeleaf goldenrod
 * Solidago missouriensis — Missouri goldenrod
 * Solidago mollis — ground goldenrod
 * Solidago multiradiata — alpine goldenrod
 * Solidago nemoralis — field goldenrod
 * Solidago patula — roundleaf goldenrod
 * Solidago puberula — downy goldenrod
 * Solidago rugosa — roughleaf goldenrod
 * Solidago sempervirens — seaside goldenrod
 * Solidago simplex — sticky goldenrod
 * Solidago speciosa — showy goldenrod
 * Solidago squarrosa — squarrose goldenrod
 * Solidago uliginosa — bog goldenrod
 * Solidago ulmifolia — elmleaf goldenrod
 * Solidago victorinii — Victorin's goldenrod
 * Solidago × asperula
 * Solidago × beaudryi
 * Solidago × erskinei
 * Solidago × luteus
 * Solidago × raymondii
 * Stenotus acaulis — stemless mock goldenweed
 * Stenotus armerioides — thrift mock goldenweed
 * Stenotus macleanii — MacLean's goldenweed
 * Stephanomeria minor — narrowleaf skeletonplant
 * Stephanomeria runcinata — desert skeletonplant
 * Stephanomeria spinosa — thorny wire-lettuce
 * Symphyotrichum anticostense — Anticosti aster
 * Symphyotrichum ascendens — western aster
 * Symphyotrichum boreale — boreal aster
 * Symphyotrichum campestre — western meadow-aster
 * Symphyotrichum ciliatum — alkali American-aster
 * Symphyotrichum ciliolatum — Lindley's aster
 * Symphyotrichum cordifolium — heartleaf aster
 * Symphyotrichum dumosum — bushy aster
 * Symphyotrichum eatonii — Eaton's aster
 * Symphyotrichum ericoides — white heath aster
 * Symphyotrichum falcatum — white prairie aster
 * Symphyotrichum foliaceum — leafy-bracted aster
 * Symphyotrichum frondosum — alkali aster
 * Symphyotrichum hendersonii — Henderson's American-aster
 * Symphyotrichum laeve — smooth blue aster
 * Symphyotrichum lanceolatum — panicled aster
 * Symphyotrichum lateriflorum — starved aster
 * Symphyotrichum laurentianum — St. Lawrence aster
 * Symphyotrichum novae-angliae — New England aster
 * Symphyotrichum novi-belgii — longleaf aster
 * Symphyotrichum ontarionis — Ontario aster
 * Symphyotrichum oolentangiense — sky blue aster
 * Symphyotrichum pilosum — white heath aster
 * Symphyotrichum praealtum — willow aster
 * Symphyotrichum prenanthoides — crooked-stem aster
 * Symphyotrichum puniceum — swamp aster
 * Symphyotrichum racemosum — small white aster
 * Symphyotrichum robynsianum — Robyns' American-aster
 * Symphyotrichum sericeum — western silvery aster
 * Symphyotrichum shortii — Short's aster
 * Symphyotrichum spathulatum — western mountain aster
 * Symphyotrichum subspicatum — Douglas' aster
 * Symphyotrichum subulatum — annual saltmarsh aster
 * Symphyotrichum tradescantii — Tradescant's aster
 * Symphyotrichum undulatum — wavyleaf aster
 * Symphyotrichum urophyllum — white-arrow aster
 * Symphyotrichum × amethystinum
 * Symphyotrichum yukonense — Yukon aster
 * Tanacetum bipinnatum — Lake Huron tansy
 * Taraxacum carneocoloratum — pink dandelion
 * Taraxacum eriophorum — wool-bearing dandelion
 * Taraxacum lyratum — alpine dandelion
 * Taraxacum officinale — common dandelion
 * Taraxacum phymatocarpum — northern dandelion
 * Tephroseris atropurpurea — dark purple groundsel
 * Tephroseris kjellmanii — Kjellman's squawweed
 * Tephroseris lindstroemii — twice-hairy groundsel
 * Tephroseris yukonensis — Yukon groundsel
 * Tetradymia canescens — grey horsebrush
 * Tetraneuris acaulis — stemless four-nerve daisy
 * Tetraneuris herbacea — lakeside daisy
 * Thelesperma subnudum — border goldthread
 * Tonestus lyallii — Lyall's haplopappus
 * Townsendia condensata — cushion townsend-daisy
 * Townsendia exscapa — silky townsend-daisy
 * Townsendia hookeri — Hooker's townsend-daisy
 * Townsendia parryi — Parry's townsend-daisy
 * Tripleurospermum maritima — false chamomile
 * Verbesina alternifolia — wingstem
 * Vernonia fasciculata — fascicled ironweed
 * Vernonia gigantea — giant ironweed
 * Vernonia missurica — Missouri ironweed
 * Xanthium strumarium — rough cocklebur

Aulacomniaceae

 * Aulacomnium acuminatum — acutetip aulacomnium moss
 * Aulacomnium androgynum
 * Aulacomnium heterostichum
 * Aulacomnium palustre — aulacomnium moss
 * Aulacomnium turgidum

Aytoniaceae

 * Asterella gracilis
 * Asterella lindenbergiana
 * Asterella saccata
 * Asterella tenella
 * Mannia fragrans
 * Mannia pilosa
 * Mannia sibirica
 * Mannia triandra
 * Reboulia hemisphaerica

Azollaceae

 * Azolla caroliniana — eastern mosquito-fern
 * Azolla mexicana — Mexican mosquito-fern