⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2782776, with some changes.
Echinocereus procumbens var. longispinus
is a synonym
of Echinocereus pentalophus
This name is a synonym of Echinocereus pentalophus .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Monatschr. Kakteenk. 12: 135 1902.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:87990-2.