Species
The number of species is similarly debatable, because of disagreement both over what constitutes the genus and what constitutes a species. A very large number of plants that have circulated as species of Rebutia are now generally regarded as varieties, forms or synonyms of others.[6] E. F. Anderson recognised forty-one species in 2001.[7] As of March 2013, the Plant List accepted only 12 species, along with a much larger number of synonyms and unresolved names:[8]
- Rebutia albopectinata Rausch (synonym Aylostera)
- Rebutia atrovirens (Backeb.) Sida (synonym Mediolobivia)
- Rebutia deminuta (F.A.C. Weber) Britton & Rose (synonym Aylostera)
- Rebutia fabrisii Rausch 1977
- Rebutia fidaiana (Backeb.) D.R. Hunt (synonym Weingartia)
- Rebutia fiebrigii (Gürke) Britton & Rose (syn. R. fabrisii Rausch) (synonym Aylostera)
- Rebutia heliosa Rausch (synonym Aylostera)
- Rebutia langeri (J. Falkenberg & K. Neumann) G. Navarro (synonym Sulcorebutia)
- Rebutia margarethae Rausch (syn. R. padcayensis Rausch)
- Rebutia marsoneri Werderm.
- Rebutiaminuscula K.Schum. (syns R. chrysacantha Backeb., R. senilis Small, R. violaciflora Backeb., R. wessneriana Brewer.)
- Rebutia pulvinosa F. Ritter & Buining (synonym Aylostera)
- Rebutia ritteri (Wessner) Buining & Donald (synonym Mediolobivia)
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