Tephrocactus geometricus (Castell.) Backeb.

, Kaktus-ABC [Backeb. & Knuth] 111 (1936).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:250216-2
Publication
Kaktus-ABC, en Haandbog for Fagfolk og Amatorer. København
Collation
111
Date of Publication
12 Feb 1936
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Opuntia geometrica Castell.
Same citation as
Tephrocactus geometricus (A.Cast.) Backeb., Möller's Deutsche Gärtn.-Zeitung 1934, xlix. 105, in obs., nomen; Backeb. inBackeb. & F. M. Knuth, Kaktus-ABC, 111 (1935).
Same citation as
Tephrocactus geometricus (A.Cast.) Backeb.