Arcyria ferruginea
Saut.
KW [Darwin] 18530. Place of collection: Ukraine; Luhansk Oblast; Krasnodon District; Krasnyi Yar village (N48°19' E39°31'). Date of collection: 25 August 1925. Associated organism: Quercus sp. (stump). Collector: Pidoplichko, M.M.. Identifier: Pidoplichko, M.M..