Show Lower Taxa
Cact. 3: 93. 1922.
Basionym: Mammillaria micromeris Engelmann Proc. Amer. Acad. Arts 3: 260. 1856 (as Mamillaria)
Treatment appears in FNA Volume 4. Treatment on page 240. Mentioned on page 238.
Ariz., N.Mex., Tex., Mexico.
Varieties 2–4 (1 in the flora).
The endemic Mexican taxa have relatively large flowers like those of Epithelantha bokei.
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