Euphorbia colchica SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Euphorbia colchica (Litv.) Geltman in Czerepanov, Vasc. Pl. Russia adj. States: 224. 1995≡Euphorbia petrophila var. colchica Litv. in Trudy Imp. S.-Peterburgsk. Bot. Sada 14(2): 299. 1898ContentDistribution Bibliography Distribution Rf(CS) Tcs Euro+Med: Russia (North Caucasus nativeA); South Caucasus nativeA Bibliography A. Kew World Checklist of Selected Plant Families