Verrucaria aljazevi Servit , Stud. Bot. Cech . 9: 71, 1948

Pykaelae, Juha, Kantelinen, Annina & Myllys, Leena, 2020, Taxonomy of Verrucaria species characterised by large spores, perithecia leaving pits in the rock and a pale thin thallus in Finland, MycoKeys 72, pp. 43-92 : 43

Verrucaria aljazevi Servit, Stud. Bot. Cech. 9: 71, 1948

Type.

[Slovenia] Carniola, Mojakrana, Aljazev dom, 1100 m, 1931, Servít (PRM-858477!, holotype?).

Description.

Prothallus not seen. Thallus white, endolithic. Perithecia 0.11-0.36 mm, immersed, leaving deep pits in the rock. Involucrellum absent. Exciple ca. 0.25 mm in diam., wall dark. Periphysoids ca. 25-35 × 2-3 mm, sparsely branching, Bagliettoa -like. Ascospores 0-septate (only few seen), 15-18 × 6-8 mm.

Notes.

According to the protologue ( Servít 1948), the spore size is 20-28 × 7-8 mm. The species may be related to Bagliettoa calciseda (DC.) Gueidan & Cl. Roux.