Rhizocarpon geographicum (L.) DC.  

Family: Rhizocarpaceae

[Abacina atrovirens (L.) Norman, moreDiplotomma geographicum (L.) Jatta, Lecidea atrovirens (L.) Ach., Lecidea atrovirens var. geographica (L.) Ach., Lecidea geographica (L.) Rebent., Lecidea geographica f. urceolata Schaer., Lecidea geographica var. atrovirens (L.) Schaer., Leproncus geographicus (L.) A. St.-Hil., Lichen geographicus L., Rhizocarpon atrovirens (L.) Chevall., Rhizocarpon diabasicum Räsänen, Rhizocarpon frigidum Räsänen, Rhizocarpon geographicum f. geographicum (L.) DC., Rhizocarpon geographicum f. urceolatum (Schaer.) Körb., Rhizocarpon geographicum subsp. arcticum (Runemark) Hertel, Rhizocarpon geographicum subsp. diabasicum (Räsänen) Poelt & Vezda, Rhizocarpon geographicum subsp. frigidum (Räsänen) Hertel, Rhizocarpon geographicum subsp. geographicum (L.) DC., Rhizocarpon geographicum subsp. kittilense (Räsänen) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen, Rhizocarpon geographicum subsp. lindsayanum (Räsänen) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen, Rhizocarpon geographicum subsp. prospectans (Räsänen) D. Hawksw. & Sowter, Rhizocarpon geographicum var. atrovirens (L.) Körb., Rhizocarpon geographicum var. lindsayanum (Räsänen) Clauzade & Rondon, Rhizocarpon geographicum var. urceolatum , Rhizocarpon kittilense Räsänen, Rhizocarpon lindsayanum Räsänen, Rhizocarpon lindsayanum subsp. kittilense (Räsänen) Runemark, Rhizocarpon prospectans Räsänen, Rhizocarpon riparium Räsänen, Rhizocarpon riparium subsp. lindsayanum (Räsänen) J.W. Thomson, Rhizocarpon semilecanorinum var. atlanticum Räsänen, Rhizocarpon tinei subsp. arcticum Runemark, Rhizocarpon tinei subsp. diabasicum (Räsänen) Runemark, Rhizocarpon tinei subsp. frigidum (Räsänen) Runemark, Rhizocarpon tinei subsp. prospectans (Räsänen) Runemark, Rhizocarpon tinei subsp. vulgare Runemark, Rhizocarpon urceolatum (Schaer.) Räsänen, Urceolaria geographica (L.) Link, Verrucaria atrovirens (L.) Hoffm., Verrucaria geographica (L.) F.H. Wigg.]