A rare, distinct omphalinoid species with red spore deposit confined to very big aspen wood, more rarely other hard wood hosts.
We need to have a clear idea on the decline rate of coarse trunks within its distribution area. Such trunks are now a very rare sight in Europe and in Europe the species could already be extinct or nearly so.
Assessed as DD at present but could qualify for NT/VU if a suspected decline of substrate could be qualified.
Extends from Far Eastern Russia across temperate Asia to western Europe. Known from one site in Belgium and likewise in Poland. It is not known from Scandinavia, the Netherlands, Germany. It is known from 33 sites across the Russia Federation.
Found on decaying, sometimes standing aspen (Populus tremula) trunks but also other hardwood species such as Ulmus and Tilia.
Removal of coarse aspen and dead wood in general.
Should be monitored.
The extend of habitat damage within the distribution area should be investigated in detail. Many other species from a range of taxonomic groups depend on coarse aspen.
Herink, J. & Kotlába, F. 1975. What is Rhodocybe xylophila Vasilk. and Omphalina lilaceorosea Svr. et Kub.? Ceská Mykologia 29(3): 157-166.
Vassilkov, B.P. 1971. A new species of agaric fungi in the Transcaucasus. Mikologiya i Fit
Zvyagina, E.A, Alexandrova, A.V. & Bulyoncova,T.M. 2015. Omphalina discorosea: taxonomical position of the species. Phytopatologiya 5(4): 384-385.