Rebutia ritteri var. nigricans (Wessner) Buining & Donald

, Sukkulentenkunde 7/8: 103 (1963).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:218196-2
Species Name
Rebutia ritteri (Wessner) Buining & Donald, Sukkulentenkunde 7/8: 103 (1963).
Publication
Sukkulentenkunde. Jahrbücher der Schweizerischen Kakteen-Gesellschaft. Zurich
Collation
7/8: 103
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Lobivia nigricans Wessner, Beitr. Sukkulentenk. Sukkulentenpflege 1940: 51, fig (1940).
Same citation as
Rebutia ritteri var. nigricans (Wessner) Buining & Donald