Wigginsia
Wigginsia arechavaletai -
Reported to contain unspecified alkaloids.
Wigginsia erinacea -
Contains: hordenine.
Wigginsia macrocantha -
Contains: hordenine.
Wigginsia tephracantha -
Contains: hordenine.
Zygocactus truncatus -
Reported to contain unspecified alkaloids. Native to