Name:		Rhizocarpon riparium Räsänen, Annales Botanici Societatis Zoologici-Botanici Fennicae Vanamo 16 (1942) page 60 [basionym]
Accepted name:		Rhizocarpon geographicum (L.) DC.
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 riparium forma dealbata Räsänen Rhizocarpon riparium forma ochraceopruinosa Szatala Rhizocarpon riparium forma riparium Rhizocarpon riparium forma typica Räsänen Rhizocarpon riparium subsp. lindsayanum (Räsänen) J.W. Thomson Rhizocarpon riparium subsp. riparium Rhizocarpon riparium var. brachyspora Räsänen Rhizocarpon riparium var. britannica Räsänen Rhizocarpon riparium var. granatina Räsänen Rhizocarpon riparium var. groenlandica Räsänen Rhizocarpon riparium var. helveticum Räsänen Rhizocarpon riparium var. insulata Szatala Rhizocarpon riparium var. ochrocalyptra Räsänen Rhizocarpon riparium var. pseudoviridis Räsänen Rhizocarpon riparium var. riparium Rhizocarpon riparium var. rotundatum Räsänen Rhizocarpon riparium var. savonica Räsänen Rhizocarpon riparium var. subcyanodes Räsänen Rhizocarpon riparium var. subgerontica Räsänen Rhizocarpon riparium var. typicum (Räsänen) Räsänen Rhizocarpon riparium var. ursinum Räsänen Rhizocarpon riparium var. virididispersa Räsänen
Catalogue data:		Lamb, Index Lichenum p. 0
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]