Jørgensen, PM/ Henssen, A 1993: Physma omphalarioides - its taxonomic position and phytogeography. - Graphis Scripta5(1): 12-17. [RLL List # 151 / Rec.# 9487] Keywords: COLLEMA/ DISJUNCTIONS/ PHYSMA/ PHYTOGEOGRAPHY/ RAMALODIUM/ STAUROLEMMA
Abstract: 2 fig. [New: Staurolemma omphalarioides (Anzi) comb. nov. This species "is basically a Mediterranean lichen, reaching Macaronesia, including the Cape Verde Is., with a remarkably disjunct occurrence on the west-coast of Norway, just south of the Arctic Circle."]