Mammillaria sempervivi var. tetracantha DC.

, Mém. Mus. Hist. Nat. 17: 114 (1828). BHL
Contact us
External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:151687-2
Publication
Mémoires du Museum d'Histoire Naturelle. Paris
Collation
17: 114
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Mammillaria sempervivi f. tetracantha (DC.) Schelle, Handb. Kakteenkult. 269 (1907).