List of fungi of South Africa – U

This is an alphabetical list of the fungal taxa as recorded from South Africa. Currently accepted names have been appended.

Um
Genus: Umbilicaria (Lichens)
 * Umbilicaria flavovirescens Leight.
 * Umbilicaria galuca Stizenb.
 * Umbilicaria hottentotta Fee.
 * Umbilicaria lecanorocarpa Krempelh.
 * Umbilicaria membranacea Laur.
 * Umbilicaria papulosa Nyl.
 * Umbilicaria pustulata Hoffm. f. minor Cromb.
 * Umbilicaria pustulata var. papillata Hampe.
 * Umbilicaria pustulata var. papulosa Tuck.
 * Umbilicaria rubiginosa Pers.
 * Umbilicaria thunbergii Reinke

Un
Genus: Uncinula
 * Uncinula aspera Doidge
 * Uncinula circinata Cooke & Peck.
 * Uncinula combreticola Doidge
 * Uncinula eylesii Doidge
 * Uncinula incrassata Salm
 * Uncinula necator Burr.
 * Uncinula pterocarpi Doidge
 * Uncinula polvchaeta Berk. & Curt, ex Ellis.
 * Uncinula sp.

Ur
Genus: Urceolaria Order: Uredinales
 * Urceolaria actinostoma Pers. ex Ach.
 * Urceolaria actinostoma var. aenea Müll.Arg.
 * Urceolaria actinostoma var. caesiopluinbea Nyl
 * Urceolaria capitata Nees.
 * Urceolaria cinerea Ach.
 * Urceolaria cinereocaesia Ach.
 * Urceolaria deuteria Syd.
 * Urceolaria excavata Ach.
 * Urceolaria scruposa β arenaria Schaer.
 * Urceolaria scruposa f. arenaria Ach.
 * Urceolaria subcuprea Nyl.

Genus: Uredinopsis Genus: Uredo
 * Uredinopsis macrosperma P.Magn.
 * Uredo africana Lagerh.
 * Uredo aloes Cooke.
 * Uredo alysicarpi Doidge.
 * Uredo ancylanthi P.Henn.
 * Uredo asclepiadis-fruticosi Doidge.
 * Uredo aterrima Thuem.
 * Uredo augeae Pole Evans.
 * Uredo augeae Syd.
 * Uredo balsamodendri Cooke.
 * Uredo brachylaenae Doidge.
 * Uredo brideliae Doidge.
 * Uredo caricis-petitianae Doidge.
 * Uredo carpodini P.Henn.
 * Uredo cassiae-mimosoides Doidge.
 * Uredo celastrineae Cooke & Mass.
 * Uredo cephalandrae Thuem.
 * Uredo clematidis Berk.
 * Uredo combreticola Doidge.
 * Uredo commelinae Kalchbr.
 * Uredo compositarum var. melantherae Cooke.
 * Uredo crotalariicola P.Henn.
 * Uredo cryptolepidis Cooke.
 * Uredo cussoniae Cooke.
 * Uredo cypericola P.Henn.
 * Uredo detergibilis P.Henn.
 * Uredo digitariaecola Thuem.
 * Uredo disae v.d.Byl
 * Uredo dissotidis Cooke.
 * Uredo dissolidis-longicaudae P.Henn.
 * Uredo dolichospora Kalchbr.
 * Uredo dombeyae Doidge.
 * Uredo ectadiopsis Cooke.
 * Uredo ecteinanthi Kalchbr.
 * Uredo ehrartae-calycinae Doidge.
 * Uredo eriospermi MacOwan.
 * Uredo fici Cast.
 * Uredo filicum Klotzsch.
 * Uredo fuirenae P.Henn.
 * Uredo gardeniae-thunbergiae P. Henn.
 * Uredo geranii DC., (1806) f. pelargonii-alchemilloides Thuem. accepted as Puccinia pelargonii-zonalis Doidge (1926)
 * Uredo geranii f. pelargonii-zonalis Thuem. accepted as Puccinia pelargonii-zonalis Doidge (1926)
 * Uredo gliae Lindr.
 * Uredo grewiae Pat. & Har.
 * Uredo harmsiana P.Henn.
 * Uredo heteromorphae MacOwan.
 * Uredo homeriae Bubak.
 * Uredo hyperici-leucoptychodis Doidge.
 * Uredo hypoestis de Toni
 * Uredo indigoferae Doidge.
 * Uredo ixiae Lev.
 * Uredo ixiae Rud.
 * Uredo kaempferiae Syd.
 * Uredo kampuluvensis P.Henn.
 * Uredo leguminosarum Link.
 * Uredo lepisclinis Thuem.
 * Uredo leucadis Syd.
 * Uredo linearis Pers.
 * Uredo lonchocarpi Doidge.
 * Uredo longaenis P.Henn.
 * Uredo lotononi Doidge.
 * Uredo lucida Theum.
 * Uredo lupini Berk. & Curt.
 * Uredo macrosperum Cooke.
 * Uredo mixta Duby f. Salicis capensis Thuem.
 * Uredo monsoniae Syd.
 * Uredo moraeae Kalchbr.
 * Uredo myrsiphylli Thuem.
 * Uredo pelargonii Thuem.
 * Uredo phaseolorum de Bary.
 * Uredo pilulaeformis Berk.
 * Uredo plectranthi Kalchbr.
 * Uredo pogonarthriae Syd.
 * Uredo polygalae Kalchbr.
 * Uredo polypodii DC.
 * Uredo pretoriensis Syd.
 * Uredo psoraleae-polystictae Doidge.
 * Uredo pychnostachydis Kalchbr.
 * Uredo rhoina Syd.
 * Uredo rhynchosiae Cooke.
 * Uredo ricini Biv. Bern.
 * Uredo rottboelliae Diet.
 * Uredo rabigo-vera DC. f. digitariae-sanguinalis Thuem.
 * Uredo rumicum DC.
 * Uredo rumicum f. Rumicis obtusifolii capensis Thuem.
 * Uredo satyrii Mass.
 * Uredo schizachyrii Doidge.
 * Uredo scholzii P.Henn.
 * Uredo scirpi-corymbosi Doidge.
 * Uredo scirpi-maritimi Doidge.
 * Uredo sempertecta Thuem.
 * Uredo stenotaphri Syd.
 * Uredo stylosanthis P.Henn.
 * Uredo transversalis Thuem.
 * Uredo valerianae DC. f. valerianae-capensis Thuem.
 * Uredo vangueriae Cooke.
 * Uredo viborgiae P.Henn.
 * Uredo zehneriae Thuem.
 * Uredo sp.

Genus: Urocystis Genus: Uromyces
 * Urocystis agropyri Schroet.
 * Urocystis gladioli Wemh.
 * Urocystis hypoxidis Thaxt.
 * Urocystis occulta Rabenh.
 * Urocystis ornithoglossi Zundel.
 * Urocystis tritici Körn., (1877), accepted as Urocystis agropyri (Preuss) A.A. Fisch. Waldh., (1867)
 * Uromyces albucae Kalchbr. & Cooke.
 * Uromyces alchemillae Lev.
 * Uromyces aloes P.Magn.
 * Uromyces aloicola P.Henn.
 * Uromyces alysicarpi Wakef. & Hansf.
 * Uromyces anomathecae Cooke.
 * Uromyces antholyzae Syd.
 * Uromyces appendiculatus Link.
 * Uromyces argyrolobii Doidge.
 * Uromyces avicularae Schroet.
 * Uromyces babianae Doidge.
 * Uromyces badius Syd.
 * Uromyces barbeyanus P.Henn.
 * Uromyces betae Lev. accepted as Uromyces beticola (Bellynck) Boerema (1987)
 * Uromyces bidentis Lagerh.
 * Uromyces bolusii Mass.
 * Uromyces bona-spei Bubak.
 * Uromyces bulbinis Theum.
 * Uromyces bylianus Doidge
 * Uromyces capensis Doidge
 * Uromyces caryophyllinus Wint. (sic) possibly (Schrank) J. Schröt., (1884) accepted as Uromyces dianthi (Pers.) Niessl, (1872)
 * Uromyces cassiae-mimosoides Doidge
 * Uromyces chloridis Doidge
 * Uromyces circinalis Kalchbr. & Cooke
 * Uromyces clignyi Pat. & Har.
 * Uromyces cluytiae Kalchbr. & Cooke
 * Uromyces commelinae Cooke
 * Uromyces comptus Syd.
 * Uromyces cyperi P.Henn.
 * Uromyces delagoensis Bubak.
 * Uromyces dieramatis Doidge
 * Uromyces dolichi Cooke
 * Uromyces dolichi Syd.
 * Uromyces dolicholi Arth.
 * Uromyces drimiopsidis Doidge
 * Uromyces ecklonii Bubak.
 * Uromyces ehrhartae-giganteae Doidge
 * Uromyces eragrostidis Tracy.
 * Uromyces eriospermi Kalchbr. & Cooke
 * Uromyces ermelensis Doidge
 * Uromyces erythronii Pass.
 * Uromyces erythronii Pass. v. drimiopsidis
 * Uromyces euphorbias Cooke & Peck.
 * Uromyces euphorbiicola Tranzsch.
 * Uromyces fabae (Pers.) de Bary, (1879), accepted as Uromyces viciae-fabae var. viciae-fabae (Pers.) J. Schröt., (1875)
 * Uromyces ferrariae Doidge
 * Uromyces fiorianus Sacc.
 * Uromyces freesiae Bubak.
 * Uromyces geissorhizae P.Henn.
 * Uromyces geranii (DC.) G.H. Otth & Wartm., (1847), accepted as Puccinia pelargonii-zonalis Doidge (1926)
 * Uromyces gladioli P.Henn.
 * Uromyces greenstockii Doidge
 * Uromyces harmsianus Doidge
 * Uromyces heteromorphae Thuem.
 * Uromyces hobsoni Vize.
 * Uromyces holubii Doidge
 * Uromyces hyperici-frondosi Arth.
 * Uromyces hypoxidis Cooke
 * Uromyces inaequialtus Lasch.
 * Uromyces ipomoeae Berk.
 * Uromyces ixiae Wint.
 * Uromyces junci (Schwein.) Tul. & C.Tul (1854), accepted as Stegocintractia junci (Schwein.) M.Piepenbr. (2000)
 * Uromyces kentaniensis Doidge
 * Uromyces krantzbergensis Doidge
 * Uromyces lachenaliae Doidge
 * Uromyces leptodermus Syd.
 * Uromyces liliacearum Ung.
 * Uromyces limonii Lev.
 * Uromyces lugubris Kalchbr.
 * Uromyces macowani Bubak.
 * Uromyces maireanus Syd.
 * Uromyces massoniae Doidge
 * Uromyces medicaginis Pass., (1872), accepted as Uromyces striatus J. Schröt., 1870
 * Uromyces melantherae Cooke
 * Uromyces melasphaerulae Syd.
 * Uromyces microsorus Kalchbr. & Cooke
 * Uromyces mimusopsidis Cooke
 * Uromyces moraeae Syd.
 * Uromyces mucunae Rabenh.
 * Uromyces natalensis P.Magn.
 * Uromyces oxalidis Lév.
 * Uromyces papillatus Kalchbr. & Cooke
 * Uromyces paradoxus Syd.
 * Uromyces pedicellata Pole Evans.
 * Uromyces peglerae Pole Evans.
 * Uromyces phaseolorum DC.
 * Uromyces polemanniae Kalchbr. & Cooke
 * Uromyces polygoni Fuck.
 * Uromyces pretoriensis Doidge
 * Uromyces proeminens Lev.
 * Uromyces prunorum Link. var. amygdali Kalchbr.
 * Uromyces pseudarthriae Cooke
 * Uromyces psoraleae Peck.
 * Uromyces pulvinatus Kalchbr. & Cooke
 * Uromyces rhodesicus Wakef.
 * Uromyces rhynchosiae Cooke emend. Doidge
 * Uromyces ricini Biv.
 * Uromyces romouleae v.d.Byl & Werd.
 * Uromyces romuleae Doidge
 * Uromyces rumicis Wint.
 * Uromyces saginatus Syd.
 * Uromyces sanguinalis Evans.
 * Uromyces schinzianus P.Henn.
 * Uromyces scillarum Wint.
 * Uromyces scrophulariae DC.
 * Uromyces setariae-italicae Yoshino.
 * Uromyces sparaxidis Syd.
 * Uromyces stellenbossiensis v.d.Byl.
 * Uromyces strauchii Doidge
 * Uromyces striatus J. Schröt., (1870),
 * Uromyces stylochitonis Doidge
 * Uromyces tenuicutis McAlp.
 * Uromyces thwaitesii Berk. & Br.
 * Uromyces transversalis Wint.
 * Uromyces trichoneurae Doidge
 * Uromyces trifolii Lev.
 * Uromyces trollipi Kalchbr. & MacOwan.
 * Uromyces urgines Kalchbr.
 * Uromyces valerianae Fuck.
 * Uromyces ventosa Syd.
 * Uromyces vignae Barcl.
 * Uromyces walsoniae Syd.
 * Uromyces zeyheri Bubak.

Genus: Uropyxis
 * Uropyxis gerstneri Doidge
 * Uropyxis steudneri P.Magn. var. rhodesica Doidge

Us
Genus: Usnea (Lichens)
 * Usnea acanthera Vain.
 * Usnea aequatoriana Motyka.
 * Usnea africana Motyka.
 * Usnea amplissima Stirt.
 * Usnea angulata Ach.
 * Usnea angulata f. gonioides Hue.
 * Usnea angulata var. flaccida Müll.Arg.
 * Usnea arthroclada Fee subsp. arthrodadodes Vain.
 * Usnea articulata Hoffm.
 * Usnea articulata f. minor Krempelh.
 * Usnea australis Fr.
 * Usnea baileyi Zahlbr.
 * Usnea barbata Fr.
 * Usnea barbata f. ceratina Ach.
 * Usnea barbata f. florida Fr.
 * Usnea barbata var. articulata Ach.
 * Usnea barbata var. australis Müll.Arg.
 * Usnea barbata var. farinosa Müll.Arg.
 * Usnea barbata var. florida f. australis Vain.
 * Usnea barbata* Usnea florida var. comosa Wain.
 * Usnea barbata var. scabrosa Müll.Arg.
 * Usnea capensis Hoffm.
 * Usnea capensis Motyka.
 * Usnea cartiliginea Laur.
 * Usnea ceratina Ach.
 * Usnea ceratina var. picta Steiner.
 * Usnea ceratina var. scabrosa Aoh.
 * Usnea comosa Rohl.
 * Usnea contorta Jatta.
 * Usnea comuta Korb.
 * Usnea dasypoga Rohl.
 * Usnea dasypoga var. plicata Crorab.
 * Usnea dasypoga var. plicata f. annulata Hue.
 * Usnea dasypoga var. plicata f. dasypogoides Hue.
 * Usnea dasypogoides Nyl.
 * Usnea delicata Vain.
 * Usnea densirostra Tayl.
 * Usnea diffracta Vain.
 * Usnea distensa Stirt.
 * Usnea farinosa Zahlbr.
 * Usnea flaccida Motyka.
 * Usnea flexilis Stirt.
 * Usnea florida Wigg.
 * Usnea florida var. asperrima Müll.Arg.
 * Usnea florida var australis Sitzenb.
 * Usnea florida var. comosa Biroli.
 * Usnea florida var. densirostra Stizenb.
 * Usnea florida var. farinosa Stizenb.
 * Usnea florida var. ochrophora.
 * Usnea florida var. pulverulenta Müll.Arg.
 * Usnea florida var. rubiginea Michx.
 * Usnea florida var. scabrosa Wain.
 * Usnea florida var. strigosa Ach.
 * Usnea florida var. subelegans Vain.
 * Usnea flotowii Zahlbr. var. subhispida Zahlbr.
 * Usnea foveolata Stirt.
 * Usnea fusca Motyka.
 * Usnea gonioides Stirt.
 * Usnea gracilis var. subplicata Vain.
 * Usnea havaasii Motyka.
 * Usnea hirta Wigg.
 * Usnea hirta var. horridula Stizenb.
 * Usnea hispidula Zahlbr.
 * Usnea horridula Motyka.
 * Usnea implioita Zahlbr.
 * Usnea intercalaris Krempelh.
 * Usnea laevis Nyl.
 * Usnea leprosa Motyka.
 * Usnea longissima Ach.
 * Usnea longissima var. horridula Müll.Arg.
 * Usnea maculata Stirt.
 * Usnea malacea Zahlbr. var. subelegans Zahlbr.
 * Usnea molliuscula Stirt.
 * Usnea moniliformis Motyka.
 * Usnea mutabilis Stirt.
 * Usnea ochrophora Motyka.
 * Usnea perspinosa Motyka.
 * Usnea picata Motyka.
 * Usnea plicata Wigg.
 * Usnea poliotrix Krempelh.
 * Usnea praelonga Stirt.
 * Usnea primitiva Motyka.
 * Usnea promontorii Motyka.
 * Usnea pulverulenta Motyka.
 * Usnea pulvinata fr.
 * Usnea rubescens Stirt. var. rubrotincta Motyka
 * Usnea rubicunda Stirt.
 * Usnea rubiginea Massal.
 * Usnea rubrotincta Stirt.
 * Usnea sorediosula Motyka.
 * Usnea spilota Stirt.
 * Usnea steineri Zahlbr.
 * Usnea steineri var. tincta f. sorediosa Zahlbr.
 * Usnea strigosa Eaton.
 * Usnea strigosella Steiner.
 * Usnea sublurida Stirt.
 * Usnea submusciformis Vain.
 * Usnea sulcata Motyka.
 * Usnea transvaalensis Vain.
 * Usnea trichina Motyka.
 * Usnea trichodea Ach.
 * Usnea trichodeoides Vain, emend. Motyka
 * Usnea undulata Stirt.
 * Usnea sp.

Family: Usneaceae

Family: Ustilaginaceae

Order: Ustilaginales

Genus: Ustilaginoidea Genus: Ustilago
 * Ustilaginoidea mossambicensis P.Henn.
 * Ustilaginoidea setariae Bref.
 * Ustilago affinis Ell. & Everh.
 * Ustilago andropogonis-finitimi Maubl.
 * Ustilago anthephorae Syd.
 * Ustilago avenae Jens. (sic), possibly (Pers.) Rostr., (1890)
 * Ustilago bromivora Fisch.
 * Ustilago capensis Reess.
 * Ustilago carbo Tul. f. Cynodontis dactylonis Thuem.
 * Ustilago cesatii Fisch. de Waldh.
 * Ustilago crameri Korn.
 * Ustilago crus-galli Tracy & Earle.
 * Ustilago cynodontis P.Henn.
 * Ustilago dactyloctaenii P.Henn.
 * Ustilago danthoniae Kalchbr.
 * Ustilago digitariae Rabenh.
 * Ustilago dinteri Syd.
 * Ustilago dregeana Tul.
 * Ustilago ehrhartana Zundel.
 * Ustilago elionuri P.Henn. & Evans.
 * Ustilago eragostidis-japonicana Zundel.
 * Ustilago evansii P.Henn.
 * Ustilago fingerhuthiae Syd.
 * Ustilago flagellata Syd.
 * Ustilago gigaspora Mass.
 * Ustilago henningsii Sacc. & Syd.
 * Ustilago heterospora P. Henn.
 * Ustilago holubii Syd.
 * Ustilago hordei (Pers.) Lagerh. (1889)
 * Ustilago hyparrheniae Hopkins.
 * Ustilago inconspicua Pole Evans.
 * Ustilago ischaemi Fuck.
 * Ustilago jensenii Rostr. accepted as Ustilago avenae (Pers.) Rostr., (1890)
 * Ustilago kelleri Wille.
 * Ustilago levis (Kellerm. & Swingle) Magnus (1896), accepted as Ustilago hordei (Pers.) Lagerh., (1889)
 * Ustilago liebenbergii Zundel.
 * Ustilago mariscana Zundel.
 * Ustilago maydis Tul. (sic) possibly Ustilago maydis (DC.) Corda, (1842)
 * Ustilago modesta Syd.
 * Ustilago neglecta Niessl.
 * Ustilago nuda (C.N. Jensen) Kellerm. & Swingle (1890)
 * Ustilago pappophori Syd.
 * Ustilago peglerae Bubak & Syd.
 * Ustilago piluliformis Tul.
 * Ustilago pretoriense Pole Evans.
 * Ustilago puellaris Syd.
 * Ustilago rabenhorstiana Kuhn.
 * Ustilago sacchari Rabenh.
 * Ustilago schlechteri P.Henn.
 * Ustilago scitaminea Syd., (1924), accepted as Sporisorium scitamineum (Syd.) M. Piepenbr., M. Stoll & Oberw. 2002
 * Ustilago scitaminea var. sacchari—barberi.
 * Ustilago segetum (Bull.?) Dittm. (sic) (species complex?)
 * Ustilago sladenii Pole Evans.
 * Ustilago sorghi Pass. accepted as Sporisorium sorghi Ehrenb. ex Link (1825)
 * Ustilago stenotaphri P.Henn.
 * Ustilago stenotaphricola
 * Ustilago trachypogonis Zundel.
 * Ustilago tragana Zundel.
 * Ustilago trichoneurana Zundel.
 * Ustilago trichophora Kunze.
 * Ustilago tritici Rostr.
 * Ustilago urochloana Zundel.
 * Ustilago verruculosa Wakef.
 * Ustilago vaillantii Tul.
 * Ustilago verecunda Syd.
 * Ustilago versatilis Syd.
 * Ustilago welwitschiae Bres.
 * Ustilago zeae Unger.
 * Ustilago sp.

Genus: Ustulina
 * Ustulina vulgaris Tul.