Mammillaria baumii Boed. in Z. Sukkulentenk. 2(13): 238. 1926
Mammillaria baumii in Z. Sukkulentenk. 2(13): 238. 1926
is basionym for Dolichothele baumii in Oesterr. Bot. Z. 98: 508. 1951
is basionym for Ebnerella baumii in Oesterr. Bot. Z. 98: 89. 1951
Lectotype (designated by Hunt, D.R. & Taylor, N. P. 2006: 81): [icon] the illustration accompanying the protologue in Z. Sukkulentenk. 2(13): 238. 1926
Mammillaria baumii in Z. Sukkulentenk. 2(13): 238. 1926