Mammillaria tetrancistra Engelm. [ Mammillaria phellosperma Engelm.]
Engelmann, G., Plates to the Cactaceae of the Mexican boundary (1857-1859)
_Rep. U.S. Mex. Bound.

t. 7
name recognized:
639797 Mammillaria tetrancistra Engelm.

name cited:
639491 Mammillaria phellosperma Engelm.

drawing: P. Roetter
family: Cactaceae
subfamily: Cactoideae
tribe: Cacteae
epithet cited: phellospermus,-a,-um

epithet recognized: tetrancistrus,-a,-um

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homotypic synonyms:
Bartschella tetrancistra (Engelm.) Doweld; Neomammillaria tetrancistra (Engelm.) Fosberg;
heterotypic synonyms:
Mammillaria phellosperma Engelm.;
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6 639797 Mammillaria tetrancistra Engelm. Engelm. [Mammillaria phellosperma Engelm.]
_Rep. U.S. Mex. Bound.: t. 7 () [P. Roetter]