These genera have been incorporated into the genus Euphorbia:
The genus Pedilanthus has been submerged into the genus Euphorbia and is now known as Euphorbia pedilanthoides.
"Euphorbia is a highly diverse plant genus, comprising some 5,000 currently accepted taxa.[1]
The list includes the former (and never generally accepted) genus Chamaesyce, as well as the related genera Elaeophorbia, Endadenium, Monadenium, Synadenium and Pedilanthus which according to recent DNA sequence-based phylogenetic studies are all nested within Euphorbia[2]
