Cystoderma
Cystoderma Fayod 1889, in Saar, Mycotaxon, 86, 458-460 (2003).
Diagnosis: Basidiocarp small to medium. Pileus convex, piano-convex, then expanded, often umbonate, matt, dry, granulose, sometimes becoming smooth with age; the margin at least in young specimens denticulate from remnants of veil. Pileipellis formed by chains of globose to ellipsoid thin-walled cells. The walls of sphaerocysts smooth or with an incrusting pigment, hyaline or yellowish or cinnamon to rusty in KOH. Lamellae adnexed to adnate, often emarginate, sometimes with decurrent tooth, thin, crowded, with homomorphic edge, trama regular to subregular. Lamellulae present. Stipe central, stuffed; at apex glabrous, silky striate; with persistent membranous ring or evanescent floccose-scaly ring zone; below, mostly fragmentary, covered with flocks issued from the remnants of veil, identical in colour and structure to pileus surface. Stipe trama confluent with that of the pileus. Context of the pileus fleshy, hyphae hyaline, with clamp connections, inamyloid. Arthrospores formed by some species in the upper part of pileus context. Odour absent or slightly to distinctly unpleasant. Basidiospores broadly ellipsoid, ellipsoid lo oblong, rarely fusiform, germ pore absent, wall homogeneous, smooth, thin, hyaline, amyloid, binuclear. Spore print white to pale cream. Basidia clavate, 4-spored, hyaline. Cheilocystidia absent. Habitat coniferous and mixed forests or rarely grasslands, on decay, litter and moss, more rarely on rotten wood. Late summer to late autumn.
Index Fungorum Number: IF17448
Type species: Cystoderma amianthinum (Scop.) Fayod 1889, in Saar, Mycotaxon, 86, 458-460 (2003).
Species:
Cystoderma adnatifolium (Peck) Harmaja 1974
Cystoderma ambrosii (Bres.) Singer 1943
Cystoderma amianthinum (Scop.) Fayod 1889
Cystoderma amianthinum f. album (Maire) A.H. Sm. & Singer 1945
Cystoderma amianthinum f. amianthinum (Scop.) Fayod 1889
Cystoderma amianthinum f. olivaceum Singer 1945
Cystoderma amianthinum f. rugosoreticulatum (F. Lorinser) A.H. Sm. & Singer 1945
Cystoderma amianthinum f. rugosoreticulatum (F. Lorinser) Bon 1970
Cystoderma amianthinum var. amianthinum (Scop.) Fayod 1889
Cystoderma amianthinum var. longisporum Locq. 1945
Cystoderma amianthinum var. longisporum Kühner ex A.H. Sm. & Singer 1945
Cystoderma amianthinum var. longisporum Kühner 1969
Cystoderma amianthinum var. longisporum Kühner ex Wasser 1978
Cystoderma amianthinum var. rugosoreticulatum (F. Lorinser) Bon 1999
Cystoderma amianthinum var. sublongisporum Singer 1945
Cystoderma andinum I. Saar & Læssøe 2006
Cystoderma arcticum Harmaja 1984
Cystoderma aureolum (Raithelh.) Raithelh. 1987
Cystoderma aureum (Bull.) Kühner & Romagn. 1953
Cystoderma australe A.H. Sm. & Singer 1945
Cystoderma austrofallax Singer 1969
Cystoderma bonnardiae Thoen 2005
Cystoderma bucknallii (Berk. & Broome) Singer 1939
Cystoderma carcharias (Pers.) Fayod 1889
Cystoderma carcharias f. album (Fr.) A.H. Sm. & Singer 1945
Cystoderma carcharias f. carcharias (Pers.) Fayod 1889
Cystoderma carcharias var. carcharias (Pers.) Fayod 1889
Cystoderma carcharias var. fallax (A.H. Sm. & Singer) I. Saar 2009
Cystoderma carpaticum M.M. Moser 1979
Cystoderma castellanum Blanco-Dios 2014
Cystoderma caucasicum Singer 1945
Cystoderma chocoanum Franco-Mol. 1993
Cystoderma cinnabarinum (Alb. & Schwein.) Fayod 1889
Cystoderma cinnabarinum var. cinnabarinum (Alb. & Schwein.) Fayod 1889
Cystoderma cinnabarinum var. claricolor Romagn. 1961
Cystoderma cinnabarinum var. nogalesii (Bañares, Beltrán-Tej. & Heinem.) Bon 1999
Cystoderma clastotrichum (G. Stev.) E. Horak 1971
Cystoderma contortipes A.H. Sm. & D.E. Stuntz 1957
Cystoderma contusifolium Pegler 1983
Cystoderma cristalliferum Thoen 1969
Cystoderma echinatum (Roth) Singer 1936
Cystoderma echinellum (Quél. & G.E. Bernard) Singer 1936
Cystoderma elegans (Beeli) Thoen 1969
Cystoderma eyrei (Massee) Singer 1943
Cystoderma fallax A.H. Sm. & Singer 1945
Cystoderma ferruginosum Pegler 1966
Cystoderma freirei Justo & M.L. Castro 2003
Cystoderma fulvolateritium (Raithelh.) Raithelh. 1983
Cystoderma fumosopurpureum (Lasch) Fayod 1889
Cystoderma georginae (W.G. Sm.) Fayod 1889
Cystoderma granosum (Morgan) A.H. Sm. & Singer 1945
Cystoderma granuliferum (Bas & Læssøe) I. Saar 2022
Cystoderma granulosocinnabarinum Singer 1986
Cystoderma granulosum (Batsch) Fayod 1889
Cystoderma granulosum f. albidum (Peck) A.H. Sm. & Singer 1945
Cystoderma granulosum f. granulosum (Batsch) Fayod 1889
Cystoderma granulosum f. robustum A.H. Sm. & Singer 1945
Cystoderma granulosum var. adnatifolium (Peck) A.H. Sm. & Singer 1945
Cystoderma granulosum var. albidum (Peck) Heinem. & Thoen 1973
Cystoderma granulosum var. granulosum (Batsch) Fayod 1889
Cystoderma granulosum var. occidentale A.H. Sm. 1945
Cystoderma gruberianum A.H. Sm. 1949
Cystoderma haematites (Sacc.) Konrad & Maubl. 1924
Cystoderma hetieri (Boud.) Singer 1939
Cystoderma intermedium Harmaja 1979
Cystoderma japonicum Thoen & Hongo 1985
Cystoderma jasonis (Cooke & Massee) Harmaja 1978
Cystoderma jasonis var. jasonis (Cooke & Massee) Harmaja 1978
Cystoderma jasonis var. lilacipes (Harmaja) I. Saar 2009
Cystoderma jasonis var. niveum (Harmaja) I. Saar 2009
Cystoderma jasonis var. saarenoksae (Harmaja) I. Saar 2009
Cystoderma jeoliense Dhanch., J.C. Bhatt & S.K. Pant 1991
Cystoderma kuehneri Singer 1943
Cystoderma lignicola J.W. Liu & F.Q. Yu 2023
Cystoderma lilaceum R.L. Zhao, M.Q. He & J.X. Li 2021
Cystoderma lilacipes Harmaja 1978
Cystoderma longisporum (Kühner) Heinem. & Thoen ex Arnolds 1982
Cystoderma longisporum f. longisporum (Kühner) Heinem. & Thoen ex Arnolds 1982
Cystoderma longisporum f. rugosoreticulatum (F. Lorinser) Heinem. & Thoen 1973
Cystoderma longisporum var. longisporum (Kühner) Heinem. & Thoen ex Arnolds 1982
Cystoderma longisporum var. purpurascens Heinem. & Thoen 1973
Cystoderma longisporum var. purpurascens Heinem. & Thoen ex Arnolds 1982
Cystoderma luteohemisphaericum Dennis 1961
Cystoderma muscicola (Cleland) Grgur. 1997
Cystoderma myriadocystis Heinem. & Thoen 1973
Cystoderma neoamianthinum Hongo 1974
Cystoderma niveum Harmaja 1985
Cystoderma ochracea Fayod 1889
Cystoderma ossaeiformisporum (S. Imai) S. Ito 1959
Cystoderma papallactae I. Saar & Læssøe 2006
Cystoderma paradoxum A.H. Sm. & Singer 1948
Cystoderma ponderosum A.H. Sm. & Singer 1945
Cystoderma pseudoamianthinum R.L. Zhao, M.Q. He & J.X. Li 2021
Cystoderma pulveraceum A.H. Sm. & Singer 1945
Cystoderma rhombospora (G.F. Atk.) A.H. Sm. & Singer 1945
Cystoderma rhombosporum (G.F. Atk.) A.H. Sm. & Singer 1945
Cystoderma rugosolateritium R.L. Zhao, M.Q. He & J.X. Li 2021,
Cystoderma rugosoreticulatum (F. Lorinser) Wasser 1978
Cystoderma saarenoksae Harmaja 1985
Cystoderma seminudum (Lasch) Fayod 1889
Cystoderma simulatum P.D. Orton 1960
Cystoderma simulatum var. bispora Glowinski & Gumb. 1982
Cystoderma simulatum var. simulatum P.D. Orton 1960;
Cystoderma siparianum (Dennis) Thoen 1969
Cystoderma subglobisporum R.L. Zhao, M.Q. He & J.X. Li 2021
Cystoderma sublongisporum (Singer) Singer 1975
Cystoderma subornatum Raithelh. 1987
Cystoderma subpurpureum A.H. Sm. & Singer 1948
Cystoderma subpurpureum f. europaeum Cheype 1997
Cystoderma subpurpureum f. subpurpureum A.H. Sm. & Singer 1948
Cystoderma subvinaceum A.H. Sm. 1945
Cystoderma superbum Huijsman 1956
Cystoderma terryi (Berk. & Broome) Harmaja 1978
Cystoderma terryi f. luteum Dähncke 2006
Cystoderma terryi f. terryi (Berk. & Broome) Harmaja 1978
Cystoderma terryi var. claricolor (Romagn.) Bon 1983
Cystoderma terryi var. nogalesii Bañares, Beltrán-Tej. & Heinem. 1986
Cystoderma terryi var. terryi (Berk. & Broome) Harmaja 1978
Cystoderma texense Thiers 1957
Cystoderma tricholomoides Heinem. & Thoen 1973
Cystoderma tuomikoskii Harmaja 1979
Cystoderma yongpingense Y.L. Feng, Xiang Guo & Y. Fang 2024
Reference:
Saar, I. (2003). The genera Cystoderma and Cystodermella (Tricholomataceae) in temperate eurasia. Mycotaxon, 86, 455-474.
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