Pilosocereus machrisii (E.Y.Dawson) Backeb.

, Cactaceae (Backeberg) 4: 2419 (1960).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:196709-2
Publication
Die Cactaceae: Handbuch der Kakteenkunde
Collation
4: 2419
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Cephalocereus machrisii E.Y.Dawson, Los Angeles County Mus. Contr. Sci. 10: 1, t. 1-3 (1957).
Same citation as
Pilosocereus machrisii (E.Y.Dawson) Backeb., Cactaceae (Backeberg) iv. 2419 (1960).