Wallemiales » Basidiomycota genera incertae sedis


Arrasia Bernicchia, Gorjón & Nakasone 2011, in Bernicchia et al., Mycotaxon, 118(1), 257-264 (2012).

Etymology: the genus is dedicated to Luigi Arras, mycologist and friend, who is always present during the mycological excursions across Sardinia.

Diagnosis: Basidiomata effuse, adnate, thin, white, smooth, finely farinaceous, with a distinct margin. Hyphal system monomitic, hyphae clamped. Dendrohyphidia filamentous, branched, clamped. Basidia suburniform at first, then flexuous, clavate to obclavate, sometimes with a basal lobe, basally clamped, with 4 sterigmata. Basidiospores broadly subfusiform to biapiculate, distal end elongating into a thick-walled rostrum, walls hyaline, slightly thickened, smooth, cyanophilous, inamyloid, nondextrinoid.

Index Fungorum Number: IF561760

Type species: Arrasia rostrata Bernicchia, Gorjón & Nakasone 2011, in Bernicchia et al., Mycotaxon, 118(1), 257-264 (2012).


Arrasia rostrata Bernicchia, Gorjón & Nakasone 2011



Bernicchia, A., Gorjón, S. P., & Nakasone, K. K. (2012). Arrasia rostrata (Basidiomycota), a new corticioid genus and species from Italy. Mycotaxon, 118(1), 257-264.


About Basidiomycota

The webpage Basidiomycota provides an up-to-date classification and account of all genera of the phylum Basidiomycota.


Supported by 

Thailand Science Research and Innovation (TSRI)

project entitled:

"Macrofungi diversity research from the Lancang-Mekong Watershed and surrounding areas"

(Grant No. DBG6280009)


  • Email: basidio.org@yahoo.com
  • Addresses:
    Mushroom Research Foundation, 292 Moo 18, Bandu District,
    Muang Chiangrai 57100, Thailand
  • The State Key Lab of Mycology, Institute of Microbiology, Chinese Academy of Sciences, No.3 1st Beichen West Rd., Chaoyang District, Beijing 100101, P.R. China

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