⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5103912, and has not been changed.
This name is a synonym of Pediocactus knowltonii .
The record derives from Tropicos which reports it as a synonym (record 5103912
) with original publication details: Cactus Lex. 403 403 1976.