List of fungi of South Africa – I

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

Ic
Genus: Icmadophila Trevis. 1852 (lichen)
 * Icmadophila ericetorum (L.) Zahlbr. 1895

Il
Genus: Ileodictyon Tul. & C. Tul. 1844
 * Ileodictyon cibarium Tul. & C. Tul. 1844

Im
Genus: Imbricaria (Schreb.) Michx. 1803 accepted as Anaptychia Körb., (1848)
 * Imbricaria hottentottum (Ach.) Schwend. 1863 accepted as Xanthoparmelia hottentotta (Ach.) A. Thell, Feuerer, Elix & Kärnefelt, (2006)

In
Genus: Inocybe (Fr.) Fr. 1863
 * Inocybe microspora J.E. Lange 1917 accepted as Inocybe glabripes Ricken, (1915)

Ir
Genus: Irene Theiss., Syd. & P. Syd. 1917, accepted as Asteridiella McAlpine, (1897)
 * Irene atra (Doidge) Doidge (1920), accepted as Asteridiella atra (Doidge) Hansf., (1961)
 * Irene calostroma (Desm.) Höhn. (1918), accepted as Appendiculella calostroma (Desm.) Höhn.,(1919)
 * Irene ditricha (Kalchbr. & Cooke) Doidge, (1920)
 * Irene ekebergiae Doidge (1941), accepted as Asteridiella ekebergiae (Doidge) Hansf., (1961)
 * Irene glabra (Berk. & M.A. Curtis) Doidge (1920), accepted as Asteridiella glabra (Berk. & M.A. Curtis) Hansf., (1961)
 * Irene gloriosa (Doidge) Doidge (1920), accepted as Appendiculella natalensis (Doidge) Hansf., (1961)
 * Irene heudeloti (Gaillard) Doidge (1920),accepted as Irenina heudeloti (Gaillard) F. Stevens, (1927)
 * Irene implicata Doidge (1924), accepted as Asteridiella implicata (Doidge) Hansf., (1961)
 * Irene inermis (Kalchbr. & Cooke) Theiss. & P. Syd. (1917), accepted as Asteridiella inermis (Kalchbr. & Cooke) Hansf., (1961)
 * Irene natalensis (Doidge) Doidge (1920), accepted as Appendiculella natalensis (Doidge) Hansf., (1961)
 * Irene natalensis var. conferta (Doidge) F. Stevens (1927), accepted as Appendiculella natalensis (Doidge) Hansf., (1961)
 * Irene natalensis var. laxa (Doidge) F. Stevens (1927), accepted as Appendiculella natalensis (Doidge) Hansf., (1961)
 * Irene nuxiae Syd. (1928), accepted as Asteridiella nuxiae (Syd.) Hansf., (1961)
 * Irene peddieae Doidge (1927), accepted as Asteridiella peddieae (Doidge) Hansf., (1961)
 * Irene peglerae (Doidge) Doidge (1920), accepted as Asteridiella peglerae (Doidge) Hansf., (1961)
 * Irene podocarpi (Doidge) Doidge (1920), accepted as Asteridiella podocarpi (Doidge) Hansf., (1961)
 * Irene puiggarii (Speg.) Doidge (1920)
 * Irene rinoreae Doidge (1922), accepted as Irenina rinoreae (Doidge) F. Stevens, (1927)
 * Irene scabra (Doidge) Doidge (1920), accepted as Asteridiella scabra (Doidge) Hansf., (1961)
 * Irene speciosa (Doidge) Doidge (1920), accepted as Appendiculella speciosa (Doidge) Hansf., (1961)
 * Irene strophanthi (Doidge) Doidge (1920), accepted as Asteridiella strophanthi (Doidge) Hansf., (1961)
 * Irene zeyheri Doidge (1922), accepted as Irenina zeyheri (Doidge) F. Stevens, (1927)

Genus: Irenina F. Stevens 1927 accepted as Appendiculella Höhn., (1919)
 * Irenina atra (Doidge) F. Stevens 1927 accepted as Asteridiella atra (Doidge) Hansf., (1961)
 * Irenina ditricha (Kalchbr. & Cooke) F. Stevens 1927
 * Irenina glabra (Berk. & M.A. Curtis) F. Stevens 1927 accepted as Asteridiella glabra (Berk. & M.A. Curtis) Hansf., (1961)
 * Irenina implicata (Doidge) F. Stevens 1927 accepted as Asteridiella implicata (Doidge) Hansf., (1961)
 * Irenina heudeloti (Gaillard) F. Stevens 1927
 * Irenina rinoreae (Doidge) F. Stevens 1927
 * Irenina scabra (Doidge) F. Stevens 1927 accepted as Asteridiella scabra (Doidge) Hansf., (1961)
 * Irenina strophanthi (Doidge) F. Stevens 1927 accepted as Asteridiella strophanthi (Doidge) Hansf., (1961)
 * Irenina zeyheri (Doidge) F. Stevens 1927

Genus: Irenopsis F. Stevens 1927
 * Irenopsis bosciae (Doidge) F. Stevens 1927
 * Irenopsis claviculata (Doidge) F. Stevens 1927
 * Irenopsis comata (Doidge) F. Stevens 1927
 * Irenopsis zehneriae (Van der Byl) F. Stevens 1927

Genus: Irpex Fr. 1825
 * Irpex africanus Van der Byl 1934
 * Irpex deformis Schrad. ex Fr. 1828 accepted as Schizopora paradoxa (Schrad.) Donk, (1967)
 * Irpex flavus Klotzsch 1833 accepted as Flavodon flavus (Klotzsch) Ryvarden, (1973)
 * Irpex fuscoviolaceus (Ehrenb.) Fr. [as fusco-violaceus] 1828, accepted as Trichaptum fuscoviolaceum (Ehrenb.) Ryvarden [as fusco-violaceus],(1972)
 * Irpex grossus Kalchbr. 1881
 * Irpex lacteus (Fr.) Fr. 1828
 * Irpex modestus Berk. ex Cooke 1891 accepted as Pseudolagarobasidium modestum (Berk. ex Cooke) Nakasone & D.L. Lindner, (2012)
 * Irpex obliquus (Schrad.) Fr. 1828 accepted as Schizopora paradoxa (Schrad.) Donk, (1967)
 * Irpex tabacinus Berk. & M.A. Curtis ex Fr. 1851, accepted as Hymenochaete odontoides S.H. He & Y.C. Dai, (2012)
 * Irpex vellereus Berk. & Broome 1873

Is
Genus: Isaria Pers. 1794
 * Isaria coralloidea Kalchbr. & Cooke 1880
 * Isaria psychidae Pole-Evans 1912
 * Isaria sp.

Genus: Isariopsis Fresen. 1863 accepted as Ramularia Unger, Exanth. (1833)
 * Isariopsis fuckelii (Thüm.) du Plessis 1942
 * Isariopsis griseola Sacc. 1878 accepted as Pseudocercospora griseola (Sacc.) Crous & U. Braun, (2006)

Genus: Isidium Ach. 1794 accepted as Pertusaria DC., in Lamarck & de Candolle, (1805)
 * Isidium tabulare Ach.*

Genus: Isipinga Doidge 1921 accepted as Asterina Lév., (1845)
 * Isipinga areolata Doidge 1921 accepted as Symphaster areolata (Doidge) Arx, (1962)
 * Isipinga contorta (Doidge) Doidge 1921 accepted as Asterinella contorta (Doidge) Hansf., (1946)

Genus: Isothea Fr. 1849
 * Isothea rhytismoides Fr. 1849

It
Genus: Itajahya Möller 1895
 * Itajahya galericulata Möller 1895

Genus: Ithyphallus Gray 1821 accepted as Mutinus Fr., (1849)
 * Ithyphallus aurantiacus (Mont.) E. Fisch. 1888
 * Ithyphallus campanulatus Schlecht. (sic) possibly (Berk.) Sacc. 1888 accepted as Battarrea phalloides (Dicks.) Pers., (1801)