Name:		Physcia orbicularis Du Rietz
Accepted name:		Phaeophyscia orbicularis (Neck.) Moberg
Basionym:		Lichen orbicularis Neck.
Status:		Species, lichen-forming
Taxonomic position:		Physcia (Schreb.) Michx. [Genus] Physciaceae Zahlbr. [Family] Teloschistales D. Hawksw. & O.E. Erikss. [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 Physcia orbicularis forma albida de Lesd. Physcia orbicularis forma albociliata (de Lesd.) J.W. Thomson Physcia orbicularis forma bicolor (Britzelm.) Grummann Physcia orbicularis forma calcicola Nádv. Physcia orbicularis forma cycloselis (Ach.) Szatala Physcia orbicularis forma elongata (Räsänen) Räsänen Physcia orbicularis forma insignis (Mereschk.) Frey Physcia orbicularis forma intermedia Schade Physcia orbicularis forma orbicularis Physcia orbicularis forma pallida Räsänen Physcia orbicularis forma pseudoplatani (Britzelm.) Sántha Physcia orbicularis forma rubropulchra Degel. Physcia orbicularis forma sciastra (Ach.) Schade Physcia orbicularis forma tristis Räsänen Physcia orbicularis forma virella (Ach.) Schade Physcia orbicularis var. ciliata Physcia orbicularis var. cycloselis (Ach.) Sántha Physcia orbicularis var. hueana (Harm.) Clauzade & Cl. Roux Physcia orbicularis var. labrata (Mereschk.) de Lesd. Physcia orbicularis var. orbicularis Physcia orbicularis var. sorediifera (Nyl.) Räsänen Physcia orbicularis var. transatlantica Räsänen Physcia orbicularis var. virella (Ach.) A.L. Sm.
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 7: 656, Zahlbruckner, Catalogus Universalis Lichenum 7: 702
Cybertruffle Resources:		Cyberliber Cumulative Index
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Landcare [New Zealand] New York Botanic Garden [Virtual Fungus Dried Reference Collection]