Euphorbia calyptrata SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Euphorbia calyptrata Coss. & Kralik in Bull. Soc. Bot. France 4: 495. 1857≡Tithymalus calyptratus (Coss. & Kralik) Soják in Cas. Nár. Mus., Odd. Prír. 140: 171. 1972=Euphorbia calyptrata var. involucrata Batt. in Bull. Soc. Bot. France 47: 252. 1900ContentDistribution Bibliography Distribution Ag Li Ma Tn Euro+Med: Algeria nativeA; Libya nativeA; Morocco nativeA; Tunisia nativeA Bibliography A. Kew World Checklist of Selected Plant Families