Euphorbia caesia
Synonymy
Source: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.
Euphorbia caesia in Bull. Soc. Imp. Naturalistes Moscou 14: 743. 1841
- ≡Tithymalus caesius in Abh. Königl. Akad. Wiss. Berlin 1859: 87. 1860
- ≡Galarhoeus caesius in J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 249. 1954
- ≡Galarhoeus esula f. caesius in J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 248. 1954