Polyporales » Polyporales genera¬†incertae sedis


Ryvardenia Rajchenb. 1994, in Rajchenberg, Nordic Journal of Botany, 14, 435-449 (1994)

Etymology: Referring to (and in honor of) the polypore specialist Dr Leif Ryvarden, University of Oslo, Norway.

Diagnosis: Fruit body pileate, of medium to large size, hyphal system monomitic or dimitic. Generative hyphae clamped, thin or thick walled, the thickened ones contrasting with the thin-walled ones. Skeletal hyphae few to abundant, only present in the dissepiments. Spores obovate to drop shaped, thick-walled and uninucleate. Mycelium producing a brown rot in the substrate. Sexuality bipolar, nuclear behavior astatocoenocytic and generative hyphae of the advancing mycelium simple septate. Associated wood-rot chestnut.

Index Fungorum NumberIF27723

Type species: Ryvardenia cretacea (Lloyd) Rajchenb. 1994, in Rajchenberg, Nordic Journal of Botany, 14, 435-449 (1994)


Ryvardenia campyla (Berk.) Rajchenb. 1994

Ryvardenia cretacea (Lloyd) Rajchenb. 1994


Rajchenberg, M. (1994). A taxonomic study of the subantarctic Piptoporus (Polyporaceae, Basidiomycetes) I. Nordic Journal of Botany, 14, 435-449.


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)


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