Echinocereus engelmannii subsp. munzii (Parish) M.H.J.van der Meer subspecies synonym

Echinocereus engelmannii subsp. chrysocentrus (Engelm. & J.M.Bigelow) M.H.J.van der Meer subspecies synonym

Echinocereus engelmannii subsp. howei (L.D.Benson) M.H.J.van der Meer subspecies synonym

Echinocereus engelmannii subsp. acicularis (L.D.Benson) M.H.J.van der Meer subspecies synonym

Echinocereus engelmannii subsp. llanurensis (Rutow) Felger, 1999 subspecies accepted

Echinocereus engelmannii var. variegatus (Engelm. & J.M.Bigelow) Engelm. variety homotypic synonym

Echinocereus engelmannii var. variegatus (Engelm. & J.M.Bigelow) Engelm. ex Rümpler variety accepted

Echinocereus engelmannii subsp. engelmannii subspecies accepted

Cereus munzii Parish species synonym

Cereus engelmannii var. variegatus Engelm. & J.M.Bigelow variety synonym

Cereus engelmannii var. chrysocentrus Engelm. & J.M.Bigelow variety synonym

Echinocereus munzii (Parish) L.D.Benson species synonym

Echinocereus engelmannii subsp. variegatus (Engelm. & J.M.Bigelow) E.Lutz subspecies synonym

Echinocereus engelmannii var. purpureus L.D.Benson variety accepted

Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg variety accepted

Echinocereus engelmannii var. howei L.D.Benson variety accepted

Echinocereus engelmannii var. chrysocentrus (Engelm. & J.M.Bigelow) Rümpler variety accepted

Echinocereus engelmannii var. acicularis L.D.Benson variety accepted

Echinocereus chrysocentrus (Engelm. & J.M.Bigelow) Orcutt species synonym