Davidse - 38961 - United States
Engelmann - s.n. - United States
Euphorbia dentata
Hinton - 27908 - Mexico
Hinton - 28195 - Mexico
Raven - 28619 - United States
Reed - 12939 - United States
Turner - 11-038 - United States
Van Brunt - 2014-47 - United States
Wright - 1837 - United States
Yatskievych - 98-94 - United States