Porina guentheri (Flot.) Zahlbr.
Details
Porina guentheri (Flot.) Zahlbr., Cat. Lich. Univers. 1, 384 (1922)
Porina guentheri (Flot.) Zahlbr.
Biostatus
Nomenclature
(Flot.) Zahlbr.
Flot.
Zahlbr.
1922
384
ICN
species
Porina guentheri
Classification
Synonyms
Descriptions
Thallus olive-greenish to grey-brown or in parts oxydated rust-red, smooth, or in parts irregularly-cracked, matt or shining, ecorticate,prothallus absent, in irregular patches 1-4 cm diam. Perithecia scattered to frequent, solitary to 2 together, semi-immersed to sessile, hemispherical 0.05-0.2 mm diam., shining, black, often with a small central papilla. Involucrellum black, matt or shining, reaching to halfway down exciple, 86-100 µm thick. Paraphyses persistent, simple. Asci cylindrical-fusiform or narrowly clavate, thin-walled, 107-130 × 8-13 µm. Ascospores fusiform with pointed ends, (3-)5-7(-9)-septate, 73-86 × 8.1-13.5 µm.
Taxonomic concepts
Porina saxicola (C.Knight) Müll.Arg.
Porina guentheri (Flot.) Zahlbr.
Segestria saxicola (C.Knight) Hellb.
Porina guentheri (Flot.) Zahlbr.
Verrucaria guentheri Flot.
Porina guentheri (Flot.) Zahlbr.
Verrucaria saxicola C.Knight
Porina guentheri (Flot.) Zahlbr.
Collections
Metadata
04b7c7ef-e483-436c-9f30-138ede9182e8
scientific name
Names_Plants
1 January 2000
31 May 2010