Basionym: Grandinia microspora P. Karst., Bidrag till Kännedom av Finlands Natur och Folk 48: 365 (1889) [MB#185466] Obligate synonyms: - Cristella microspora (P. Karst.) Parmasto, Eesti NSV Teaduste Akadeemia Toimetised 14 (2): 223 (1965) [MB#329335] - Athelia microspora (P. Karst.) Gilb., Fungi that Decay Ponderosa Pine: 42 (1974) [MB#309345] - Phlebiella microspora (P. Karst.) Bondartsev & Singer, The Polyporaceae of the European USSR and Caucasia: 51 (1953) [MB#440348]
Wattige dünne, mehlig-wattige, weisse Schicht, leicht ablösbar. Keine Zystiden.
