POWO

Coryphantha difficilis Orcutt

, Cactography 3 (1926).
IPNI Identifier
urn:lsid:ipni.org:names:66539-2
Publication
Cactography. National City and San Diego, CA
Collation
3
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Mammillaria difficilis Quehl, Monatsschr. Kakteenk. 18: 107 (1908).
Same citation as
Coryphantha difficilis Orcutt, Cactography 3 (1926).