Polyporales » Polyporales genera incertae sedis

Ryvardenia

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 Number:  IF27723

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

Species:

Ryvardenia campyla (Berk.) Rajchenb. 1994

Ryvardenia cretacea (Lloyd) Rajchenb. 1994

Reference:

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

 

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