Sempervivum ruthenicum Schnittsp. & C.B. Lehm.
Taxon info
Sempervivum ruthenicum is a species of SE Europe, fairly rare and scattered in the mountains of N Greece, where it is generally found on rocky ridges of various substrates (including micaceous schist) in subalpine pastures. Four other species occur in Greece.A
A. Dimopoulos, P., Raus, Th., Bergmeier, E., Constantinidis, Th., Iatrou, G., Kokkini, S., Strid, A. & Tzanoudakis, D. 2013: Vascular plants of Greece: An annotated checklist. 31. – Berlin: Botanic Garden and Botanical Museum Berlin-Dahlem; Athens: Hellenic Botanical Society. p. 334
