Hypocreales » Calcarisporiaceae



Calcarisporium Preuss, Linnaea 24: 124 (1851)

Hypocreomycetidae, Hypocreales, Calcarisporiaceae, Calcarisporium

Index Fungorum number: IF7465; FoF number: FoF 08843; 8 morphological species (Species Fungorum 2020); 4 species with sequence data.


Fungicolous, parasitic, endophytic or saprobic on higher ascomycetes and basidiomycetes, and leaves and branches of trees. Sexual morph: Undetermined. Asexual morph: Conidiophores macronematous, mononematous, erect, unbranched or verticillate, branched hyaline, straight or flexuous. Conidiogenous cells holoblastic, polyblastic, discrete, subulate, hyaline. Conidia ovoid to ellipsoid, or acerose to narrowly obclavate, aseptate, hyaline, straight to curved (adapted from Sun et al. 2017).


Type species: Calcarisporium arbuscula Preuss, Linnaea 24: 124 (1851)


Notes: Calcarisporium occurs on Pezizaceae (Preuss 1851), Russulaceae (Anke & Sterner 1988) and Cordyceps (Sun et al. 2016, 2019), and litter leaf (Somrithipol & Jones 2006). Species are distinguished by hyaline, erect, verticillate conidiophores with sympodial and denticulate, polyblastic conidiation. Calcarisporium species are fungicolous, caulicolous and foliicolous. Some Calcarisporium species are saprobes of decaying leaves (C. phaeopodium) and dead bark (C. acerosum). Calcarisporium arbuscula is a common parasite on higher ascomycetes and basidiomycetes, occasionally occurring on wood (Sutton 1973, de Hoog 1974). In addition, C. arbuscula has been reported as an endophyte in sporophores of Lactarius and Russula (Watson 1955).




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