Name:		Psora scalaris Hook. apud Smith, J.E., English Flora 5 (1844) page 196
Accepted name:		Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy
Basionym:		Lichen scalaris Ach. ex Lilj.
Status:		Species, lichen-forming
Taxonomic position:		Psora Hoffm. [Genus] Psoraceae Zahlbr. [Family] Lecanorales Nannf. [Order] Lecanoromycetidae P.M. Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch [Subclass] Lecanoromycetes O.E. Erikss. & Winka [Class] Pezizomycotina O.E. Erikss. & Winka [Subdivision / Subphylum] Ascomycota Caval.-Sm. [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Subspecific taxa Psora scalaris var. myrmecina (Ach.) Räsänen Psora scalaris var. scalaris Psora scalaris var. vulgaris (Th. Fr.) Räsänen
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 3: 887
Cybertruffle Resources:		Cyberliber Cumulative Index
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Index Fungorum Landcare [New Zealand] Mycobank New York Botanic Garden [Virtual Fungus Dried Reference Collection]