Name:		Rhizocarpon geographicum DC., (1805) page 365
Basionym:		Lichen geographicus L.
Synonym(s):		Rhizocarpon lindsayanum Räsänen Rhizocarpon geographicum subsp. lindsayanum (Räsänen) R. Sant. (1993) Rhizocarpon tinei Runemark Rhizocarpon tinei var. atrovirens L. Rhizocarpon riparium Räsänen (1942)
Status:		Species, lichen-forming
Taxonomic position:		Rhizocarpon Ramond ex DC. [Genus] Rhizocarpaceae M. Choisy ex Hafellner [Family] Rhizocarpales Miądl. et al. [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 Rhizocarpon geographicum forma alandicum Räsänen Rhizocarpon geographicum forma atrovirens (L.) A. Massal. Rhizocarpon geographicum forma brenneri Räsänen Rhizocarpon geographicum forma contiguum (Schaer.) A. Massal. Rhizocarpon geographicum forma cyanodes (Nyl.) Boistel Rhizocarpon geographicum forma cyclopicum Flagey Rhizocarpon geographicum forma dealbata Räsänen Rhizocarpon geographicum forma depauperatum Malme ex Räsänen Rhizocarpon geographicum forma dispersa Räsänen Rhizocarpon geographicum forma epirrhoda Räsänen Rhizocarpon geographicum forma feracissimum Malme Rhizocarpon geographicum forma fraudans Räsänen Rhizocarpon geographicum forma genuinum Räsänen Rhizocarpon geographicum forma geographicum Rhizocarpon geographicum forma geronticum (Ach.) Th. Fr. Rhizocarpon geographicum forma glebosa Räsänen Rhizocarpon geographicum forma intermedium (Stizenb.) Zahlbr. Rhizocarpon geographicum forma ludda Räsänen Rhizocarpon geographicum forma oxydatum Szatala Rhizocarpon geographicum forma procyanea Räsänen Rhizocarpon geographicum forma protothallinum (Körb.) Th. Fr. Rhizocarpon geographicum forma pulverulentum (Schaer.) Rabenh. Rhizocarpon geographicum forma ridescens (Nyl.) Schade Rhizocarpon geographicum forma rugulosa Räsänen Rhizocarpon geographicum forma sorediatum Schade Rhizocarpon geographicum forma subcinerascens (Nyl.) Zahlbr. Rhizocarpon geographicum forma subdispersa Räsänen Rhizocarpon geographicum forma subviridis Räsänen Rhizocarpon geographicum forma typica Räsänen Rhizocarpon geographicum forma urceolatum (Schaer.) Körb. Rhizocarpon geographicum forma viridis Räsänen Rhizocarpon geographicum subsp. arcticum (Runemark) Hertel Rhizocarpon geographicum subsp. diabasicum (Räsänen) Poelt & Vězda Rhizocarpon geographicum subsp. frigidum (Räsänen) Hertel Rhizocarpon geographicum subsp. geographicum Rhizocarpon geographicum subsp. kittilense (Räsänen) R. Sant. Rhizocarpon geographicum subsp. lindsayanum (Räsänen) R. Sant. Rhizocarpon geographicum subsp. prospectans (Räsänen) D. Hawksw. & Sowter Rhizocarpon geographicum subsp. tinei (Tornab.) Clauzade & Cl. Roux Rhizocarpon geographicum subsp. transatlanticum Räsänen Rhizocarpon geographicum var. alandica (Räsänen) Räsänen Rhizocarpon geographicum var. albohypothallium Maheu & Werner Rhizocarpon geographicum var. albopuncta Räsänen Rhizocarpon geographicum var. americana Räsänen Rhizocarpon geographicum var. atrovirens Körb. Rhizocarpon geographicum var. atroviride Müll. Arg. Rhizocarpon geographicum var. australica Räsänen Rhizocarpon geographicum var. brenneri (Räsänen) Räsänen Rhizocarpon geographicum var. configua (Schaer.) Räsänen Rhizocarpon geographicum var. contigua (Schaer.) Räsänen Rhizocarpon geographicum var. corticicola (Anzi) Räsänen Rhizocarpon geographicum var. cyanodes (Nyl.) Räsänen Rhizocarpon geographicum var. falklandicum Räsänen Rhizocarpon geographicum var. feracissimum Räsänen Rhizocarpon geographicum var. ferruginea Räsänen Rhizocarpon geographicum var. fraudans (Räsänen) Räsänen Rhizocarpon geographicum var. geographicum Rhizocarpon geographicum var. gerontica (Ach.) Räsänen Rhizocarpon geographicum var. geronticum (Ach.) Räsänen Rhizocarpon geographicum var. havaiiensis Räsänen Rhizocarpon geographicum var. hispanica Räsänen Rhizocarpon geographicum var. islandica Räsänen Rhizocarpon geographicum var. japonicum Räsänen Rhizocarpon geographicum var. kerguelensis (C.W. Dodge) Räsänen Rhizocarpon geographicum var. knightii Räsänen Rhizocarpon geographicum var. lavatum Samp. Rhizocarpon geographicum var. lecanorinum Körb. Rhizocarpon geographicum var. lindayanum Rhizocarpon geographicum var. lividonigra Räsänen Rhizocarpon geographicum var. macrosporum (Räsänen) Clauzade & Rondon Rhizocarpon geographicum var. monthlancum Räsänen Rhizocarpon geographicum var. newelandica Räsänen Rhizocarpon geographicum var. nuorunensis Räsänen Rhizocarpon geographicum var. pseudogerontica Räsänen Rhizocarpon geographicum var. radians Räsänen Rhizocarpon geographicum var. ridescens (Nyl.) Erichsen Rhizocarpon geographicum var. saanaënse (Räsänen) Clauzade & Rondon Rhizocarpon geographicum var. sorediata (Croz.) Räsänen Rhizocarpon geographicum var. straminea Räsänen Rhizocarpon geographicum var. subcinerascens (Nyl.) Räsänen Rhizocarpon geographicum var. sublucidum (Räsänen) Clauzade & Rondon Rhizocarpon geographicum var. tinei (Tornab.) Clauzade & Rondon Rhizocarpon geographicum var. varia Räsänen
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 4: 359, Zahlbruckner, Catalogus Universalis Lichenum 8: 421
Cybertruffle Resources:		Cyberliber Cumulative Index Biological Records Database (123 records)
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]