List of fungi of South Africa – R

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

Ra
Genus: Radulum Fr. 1825, accepted as Xenotypa Petr., (1955)
 * Radulum javanicum (Henn.) Lloyd 1915 accepted as Erythricium salmonicolor (Berk. & Broome) Burds., (1985)
 * Radulum lirellosum Lloyd.
 * Radulum mirabile Berk. & Broome 1873 accepted as Lopharia cinerascens (Schwein.) G. Cunn., (1956)
 * Radulum orbiculare Fr. 1825 accepted as Xylodon radula (Fr.) Ţura, Zmitr., Wasser & Spirin, (2011)

Genus: Ramalina Ach. 1809 (Lichens)
 * Ramalina angulosa Laurer ex Th. Fr. 1861 accepted as Ramalina australiensis Nyl., (1870)
 * Ramalina arabum (Dill. ex Ach.) Meyen & Flot. 1843
 * Ramalina australiensis Nyl., (1870) reported as Ramalina angulosa Laurer ex Th. Fr. 1861
 * Ramalina bourgaeana Mont. ex Nyl. as bourgeana 1870 accepted as Niebla bourgaeana (Mont. ex Nyl.) Rundel & Bowler [as bourgeana], (1978)
 * Ramalina calicaris (L.) Röhl. 1813
 * Ramalina calicaris f. ecklonii (Spreng.) Nyl. 1860, accepted as Ramalina ecklonii (Spreng.) Meyen & Flot. [as 'eckloni'], (1843)
 * Ramalina capensis var. angulosa Th. Fr. 1861
 * Ramalina capensis var. melanothrix (Laurer) Th. Fr. 1861 accepted as Niebla melanothrix (Laurer) Kistenich, Timdal, Bendiksby & S. Ekman, (2018)
 * Ramalina celastri (Spreng.) Krog & Swinscow, (1976) reported as Ramalina linearis (Sw.) Ach. 1810
 * Ramalina complanata (Sw.) Ach. 1810
 * Ramalina cuspidata (Ach.) Nyl. 1870
 * Ramalina cuspidata f. implexa H. Olivier 1892
 * Ramalina dendriscoides Nyl. 1876
 * Ramalina denticulata (Eschw.) Nyl. 1863
 * Ramalina duriaei Jatta (sic) possibly (De Not.) Bagl. 1879, accepted as Ramalina lacera (With.) J.R. Laundon, (1984)
 * Ramalina ecklonii (Spreng.) Meyen & Flot. 1843
 * Ramalina euphorbiae Vain. 1901
 * Ramalina evernioides Nyl. 1857
 * Ramalina farinacea (L.) Ach. 1810
 * Ramalina farinacea var. squarrosa Müll. Arg. 1883 accepted as Ramalina peruviana Ach., (1810)
 * Ramalina fastigiata (Pers.) Ach. 1810
 * Ramalina fraxinea (L.) Ach. 1810
 * Ramalina fraxinea var. fastigiata (Lilj.) Fr. 1826
 * Ramalina geniculata Hook. f. & Taylor 1844, accepted as Ramalina inflata (Hook. f. & Taylor) Hook. f. & Taylor, (1845)
 * Ramalina geniculata f. tenuis Hue.*
 * Ramalina geniculata var. olivacea Müll. Arg. 1879 accepted as Ramalina inflata (Hook. f. & Taylor) Hook. f. & Taylor, (1845)
 * Ramalina gracilis (Pers.) Nyl. 1860;
 * Ramalina implexa Laur. (sic)possibly (Nyl.) Krog 1994
 * Ramalina inflata (Hook. f. & Taylor) Hook. f. & Taylor, (1845) reported as Ramalina geniculata Hook. f. & Taylor 1844,
 * Ramalina intermedia (Delise ex Nyl.) Nyl. 1873
 * Ramalina lacera (With.) J.R. Laundon, (1984) possibly repoerted as Ramalina duriaei Jatta (sic) possibly (De Not.) Bagl. 1879
 * Ramalina lanceolata Nyl. 1870
 * Ramalina linearis (Sw.) Ach. 1810 accepted as Ramalina celastri (Spreng.) Krog & Swinscow, (1976)
 * Ramalina melanothrix Laurer 1860 accepted as Niebla melanothrix (Laurer) Kistenich, Timdal, Bendiksby & S. Ekman, (2018)
 * Ramalina membranacea Laur. possibly Mont. 1839
 * Ramalina peruviana Ach., (1810) reported as Ramalina farinacea var. squarrosa Müll. Arg. 1883
 * Ramalina pollinaria (Westr.) Ach. 1810
 * Ramalina pollinaria f. cariosa Laurer 1870
 * Ramalina pusilla Le Prévost ex Duby 1830
 * Ramalina scopulorum (Ach.) Ach. 1810 accepted as Ramalina siliquosa (Huds.) A.L. Sm., (1918)
 * Ramalina scopulorum var. cornuata (Ach.) Ach. 1810 accepted as Ramalina cuspidata (Ach.) Nyl., (1870)
 * Ramalina scopulorum var. humilis Schaer.
 * Ramalina scopulorum var. implexa Nyl.
 * Ramalina siliquosa (Huds.) A.L. Sm., (1918) reported as Ramalina scopulorum (Ach.) Ach. 1810
 * Ramalina subfraxinea Nyl. 1870
 * Ramalina usnea (L.) R. Howe 1914
 * Ramalina usnea var. capensis (Nyl.) Zahlbr. 1930;
 * Ramalina usnea var. contorta (Flot.) Zahlbr. 1930;
 * Ramalina usneoides (Ach.) Mont. 1837
 * Ramalina usneoides var. capensis Nyl.
 * Ramalina usneoides var. contorta Flotow. wccepted as Ramalina usnea (L.) R. Howe 1914
 * Ramalina webbii var. capensis A. Massal. 1861
 * Ramalina yemensis (Ach.) Nyl. 1870.
 * Ramalina yemensis f. fenestralis Stizenb. 1890
 * Ramalina yemensis f. sublinearis Nyl. 1870
 * Ramalina yemensis f. tenuissima Müll.Arg.*
 * Ramalina yemensis var. ecklonii (Spreng.) Vain. 1890
 * Ramalina yemensis var. lanceolata Nyl.*
 * Ramalina yemensis var. membranacea (Laurer) Nyl. 1870
 * Ramalina yemensis var. tenuissima (Meyen & Flot.) Zahlbr. 1930 accep-ted as Ramalina celastri (Spreng.) Krog & Swinscow, (1976)

Genus: Ramularia Unger 1833
 * Ramularia areola G.F. Atk. 1890 accepted as Ramularia gossypii (Speg.) Cif., (1962)
 * Ramularia gossypii (Speg.) Cif., (1962) reported as Ramularia areola G.F. Atk. 1890
 * Ramularia primulae Thüm. 1878
 * Ramularia richardiae Kalchbr. & Cooke 1880
 * Ramularia rumicis Kalchbr. & Cooke 1880

Genus: Ravenelia Berk. 1853
 * Ravenelia atrides Syd. & P. Syd. 1912 accepted as Uredopeltis atrides (Syd. & P. Syd.) A.R. Wood, (2007)
 * Ravenelia baumiana Henn. 1903
 * Ravenelia bottomleyae Doidge 1927 accepted as Spumula bottomleyae (Doidge) Thirum., (1946)
 * Ravenelia deformans (Maubl.) Dietel 1906 accepted as Ravenelia hieronymi Speg., (1881)
 * Ravenelia dichrostachydis Doidge 1927,
 * Ravenelia elephantorhizae Doidge 1927
 * Ravenelia escharoides Syd. & P. Syd. 1912
 * Ravenelia evansii Syd. & P. Syd. 1912,
 * Ravenelia glabra Kalchbr. & Cooke 1880
 * Ravenelia halsei Doidge 1939
 * Ravenelia hieronymi Speg., (1881) recorded as Ravenelia deformans (Maubl.) Dietel 1906
 * Ravenelia indigoferae Tranzschel ex Dietel 1894
 * Ravenelia inornata (Kalchbr.) Dietel 1894
 * Ravenelia laevis Dietel & Holw. 1897
 * Ravenelia le-testui Maubl., (1906)
 * Ravenelia macowaniana Pazschke 1894
 * Ravenelia minima Cooke 1882
 * Ravenelia modesta Doidge 1939
 * Ravenelia munduleae Henn. 1896
 * Ravenelia natalensis Syd., P. Syd. & Pole-Evans 1912
 * Ravenelia ornamentalis (Kalchbr.) Dietel 1906
 * Ravenelia peglerae Pole-Evans 1950
 * Ravenelia pienaarii Doidge 1927
 * Ravenelia pretoriensis Syd. & P. Syd. 1912
 * Ravenelia stictica Berk. & Broome 1873
 * Ravenelia tephrosiae Kalchbr. 1886.
 * Ravenelia transvaalensis Doidge 1939
 * Ravenelia woodii Pazschke 1894,.

Rh
Genus: Rhachomyces Thaxt. 1895
 * Rhachomyces dolicaontis Thaxt., [as dolichaontis] (1901)

Genus: Rhinocladium Sacc. & Marchal 1885
 * Rhinocladium beurmanni (Matr. & Ramond) Vuill. 1910 accepted as Sporothrix schenckii Hektoen & C.F. Perkins, (1900)

Genus: Rhinosporidium Minchin & Fantham 1905 (Mesomycetozoea) (Protozoa)
 * Rhinosporidium kinealyi Minchin & Fantham 1905
 * Rhinosporidium seeberi (Wernicke) Seeber 1912
 * Rhinosporidium sp.

Genus: Rhinotrichum Corda 1837
 * Rhinotrichum curtisii Berk. 1867 accepted as Acladium curtisii (Berk.) M.B. Ellis, (1976)
 * Rhinotrichum rubiginosum Lloyd (sic) possibly (Fr.) Sumst. 1911 accepted as Botryobasidium rubiginosum (Fr.) Rossman & W.C. Allen, (2016)

Genus: Rhizina Fr. 1815,
 * Rhizina inflata Karst. (sic) possobly (Schaeff.) Quél. 1886
 * Rhizina resupinata Lloyd*

Genus: Rhizocarpon Ramond ex DC. 1805 (Lichens)
 * Rhizocarpon affine G. Merr.
 * Rhizocarpon badioatrum var. alboatrum Malme 1922, accepted as Rhizocarpon richardii (Lamy ex Nyl.) Zahlbr., (1926)
 * Rhizocarpon capense Zahlbr. 1936
 * Rhizocarpon disporum var. montagnei (Flot.) Zahlbr. 1926, accepted as Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg., (1879)
 * Rhizocarpon geographicum (L.) DC. 1805
 * Rhizocarpon geographicum f. atrovirens (L.) A. Massal. 1853 accepted as Rhizocarpon geographicum (L.) DC. 1805
 * Rhizocarpon geographicum f. intermedium (Stizenb.) Zahlbr. 1926
 * Rhizocarpon montagnei Körb. 1855 accepted as Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg., (1879)
 * Rhizocarpon patellarium (Stizenb.) Zahlbr. 1926
 * Rhizocarpon richardii (Lamy ex Nyl.) Zahlbr., (1926) recorded as Rhizocarpon badioatrum var. alboatrum Malme 1922,
 * Rhizocarpon viridiatrum (Wulfen) Körb. 1855

Genus: Rhizoctonia DC. 1815
 * Rhizoctonia bataticola (Taubenh.) E.J.Butler, (1925), accepted as Macrophomina phaseolina (Tassi) Goid. (1947)
 * Rhizoctonia crocorum (Pers.) DC. 1815 accepted as Helicobasidium purpureum (Tul.) Pat. 1885
 * Rhizoctonia lamellifera W.Small (1924), accepted as Macrophomina phaseolina (Tassi) Goid. (1947)
 * Rhizoctonia solani J.G. Kühn 1858
 * Rhizoctonia sp.

Genus: Rhizomyces
 * Rhizomyces confusus Thaxt.

Genus: Rhizopogon
 * Rhizopogon capfcnsis Lloyd ex Verw.
 * Rhizopogon luteolus Fr.
 * Rhizopogon niger Zeller & Dodge.
 * Rhizopogon pachyphloeus Zeller & Dodge.
 * Rhizopogon radicans Lloyd
 * Rhizopogon rubescens Tul.

Genus: Rhizopus
 * Rhizopus arhizus Fisch.
 * Rhizopus artocarpi Racib. (1900), accepted as Rhizopus stolonifer Vuillemin (1902)
 * Rhizopus nigricans Ehrenberg (1820), accepted as Rhizopus stolonifer (Ehrenb.) Vuill.,  (1902)
 * Rhizopus stolonifer (Ehrenb.) Vuill., (1902),

Genus: Rhodopaxillus Maire 1913, accepted as Lepista (Fr.) W.G. Sm., (1870)
 * Rhodopaxillus caffrorum (Kalchbr. & MacOwan) Singer 1942 accepted as Lepista caffrorum (Kalchbr. & MacOwan) Singer, (1951)

Genus: Rhodotorula F.C. Harrison 1927
 * Rhodotorula mucilaginosa (A. Jörg.) F.C. Harrison 1928

Genus: Rhopalospora*
 * Rhopalospora caffra Massal.*

Genus: Rhynchosphaeria (Sacc.) Berl. 1890
 * Rhynchosphaeria fagarae Doidge 1941

Genus: Rhynchosporium Heinsen ex A.B. Frank 1897,
 * Rhynchosporium secalis (Oudem.) Davis 1919

Genus: Rhytisma Fr. 1819
 * Rhytisma eugeniacearum Corda 1840
 * Rhytisma grewiae Kalchbr. 1880 accepted as Phyllachora grewiae (Kalchbr.) Theiss. & Syd., (1915)
 * Rhytisma melianthi Thüm. 1876 accepted as Phyllachora melianthi (Thüm.) Sacc., (1883)
 * Rhytisma myricae Mont. 1856
 * Rhytisma porrigo Cooke 1882 accepted as Cycloschizon porrigo (Cooke) Arx, (1962)

Ri
Genus: Ricasolia A.Massal. (1855), accepted as Solenopsora A.Massal. (1855) (Lichens)
 * Ricasolia crenulata var. stenospora Nyl. 1859
 * Ricasolia erosa (Eschw.) Nyl. 1860 accepted as Emmanuelia erosa (Eschw.) Lücking, M. Cáceres & Ant. Simon, (2020)
 * Ricasolia patinifera (Taylor) Müll. Arg. 1888 accepted as Emmanuelia patinifera (Taylor) Lücking, M. Cáceres & Ant. Simon, (2020)
 * Ricasolia ravenelii (Tuck.) Nyl. 1863 accepted as Emmanuelia ravenelii (Tuck.) Ant. Simon & Goffinet, (2020)
 * Ricasolia sublaevis Nyl. 1868

Genus: Rinodina (Ach.) Gray 1821 (Lichens)
 * Rinodina aethalea Ach.*
 * Rinodina albotincta (sic) Zahlbr. possibly Rinodina albocincta Zahlbr., (1936)
 * Rinodina bicolor Zahlbr. 1932
 * Rinodina capensis Hampe 1861
 * Rinodina confragulosa (sic) Müll.Arg. possibly Rinodina confragosula (Nyl.) Müll. Arg. 1887,
 * Rinodina conspersa Müll. Arg. 1889
 * Rinodina deminutula (Stizenb.) Zahlbr. 1931
 * Rinodina detecta (Stizenb.) Zahlbr. 1931
 * Rinodina exigua (Ach.) Gray 1821
 * Rinodina ficta (Stizenb.) Zahlbr. 1931
 * Rinodina hufferiana (sic) Müll.Arg. probably Rinodina huefferiana Müll. Arg. 1880
 * Rinodina huillensis Vain. 1901
 * Rinodina microlepida Müll. Arg. 1888
 * Rinodina microphthalma A. Massal. 1861
 * Rinodina oreina (Ach.) A. Massal. 1852, accepted as Dimelaena oreina (Ach.) Norman, (1852)
 * Rinodina roboris (Dufour ex Nyl.) Arnold 1881
 * Rinodina sophodes (Ach.) A. Massal. 1852
 * Rinodina sophodes var. atroalbida (Nyl.) Zahlbr. 1931 [as atroalba]
 * Rinodina sophodes var. ledienii Stein 1888
 * Rinodina teichophiloides (Stizenb.) Zahlbr. 1931 accepted as Rinodina blastidiata Matzer & H. Mayrhofer, (1994)

Genus: Rizalia Syd. & P. Syd. 1914
 * Rizalia confusa Doidge 1924

Ro
Genus: Roccella DC. 1805 (Lichens) Family: Roccellaceae Chevall. 1826
 * Roccella arnoldi Vain. 1901
 * Roccella fuciformis (L.) DC., (1805),
 * Roccella fucoides (Neck.) Vain. 1901 accepted as Roccella phycopsis Ach., (1810)
 * Roccella fucoides var. arnoldi (Vain.) Zahlbr. 1915
 * Roccella hereroensis Vain. 1900
 * Roccella hypomecha (Ach.) Bory 1828 accepted as Roccellina hypomecha (Ach.) Tehler, (2007)
 * Roccella hypomecha var. benguellensis Vain. 1901
 * Roccella hypomecha var. isabellina Vain. 1901
 * Roccella linearis var. guineensis Vain. 1901
 * Roccella linearis var. primaria Vain. 1901
 * Roccella mollusca (Ach.) Nyl. 1858 accepted as Combea mollusca (Ach.) Nyl., (1860)
 * Roccella montagnei Bél. (1834),
 * Roccella mossamedana Vain. 1901
 * Roccella phycopsis Ach. (1810),
 * Roccella podocarpa Vain. 1901
 * Roccella tinctoria DC. 1805 accepted as Roccella phycopsis Ach., (1810)
 * Roccella tinctoria f. complanata Vain. 1901
 * Roccella tinctoria var. hypomecha (Ach.) Ach. 1810 accepted as Roccellina hypomecha (Ach.) Tehler, (2007)
 * Roccella tinctoria var. subpodicellata Vain. 1901

Genus: Rosellinia De Not. 1844
 * Rosellinia aquila (Fr.) Ces. & De Not. 1844
 * Rosellinia subiculata (Schwein.) Sacc. 1882
 * Rosellinia sp.

Genus: Rosenscheldia Speg. 1885 accepted as Botryosphaeria Ces. & De Not., (1863)
 * Rosenscheldia horridula Doidge 1921

Ru
Genus: Russula Pers. 1796
 * Russula cyanoxantha (Schaeff.) Fr. 1863
 * Russula integra (L.) Fr. 1838
 * Russula pectinata Fr. 1838,
 * Russula rubra (Lam.) Fr. 1838