Hypogymnia tubulosa
(Schaer.) Hav.
KW [Darwin] 31524. Place of collection: Ukraine; Zhytomyr oblast; Ovruch district; Hladkovychi village, near (N51°20' E28°51'). Date of collection: 7 September 1950. Associated organisms: Betula sp. (trunk, bark); Hypogymnia physodes. Collector: Oksner, A.M.. Identifier: Oksner, A.M..