Euphorbia praecox SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Euphorbia praecox (Boiss.) Fisch. ex Grossh., Fl. Kavkaza 3: 36. 1932≡Euphorbia leptocaula var. praecox Boiss. in Candolle, Prodr. 15(2): 159. 1862≡Galarhoeus praecox (Boiss.) Prokh. in Trudy Kuibyshevsk. Bot. Sada 1: 48. 1941=Euphorbia astrachanica C. A. Mey. ex Claus in Beitr. Pflanzenk. Russ. Reiches 8: 254. 1851, nom. inval.ContentDistribution Bibliography Distribution Rf(CS) Tcs Euro+Med: Russia (North Caucasus nativeA); South Caucasus nativeA Bibliography A. Kew World Checklist of Selected Plant Families