⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-129094, and has not been changed.

Monadenium ritchiei subsp. marsabitense S.Carter is a synonym of Euphorbia ritchiei subsp. marsabitensis (S.Carter) Bruyns

The record derives from WCSP which reports it as a synonym (record 129094) with original publication details: Kew Bull. 42: 915 1987.