Subspecies, varieties, forms and cultivars of plants belonging to the Rebutia fiebrigii group

• Rebutia albipilosa F.Ritter: "White-haired Crown" It is a plant from northern Argentina.The body is made invisible by countless long, soft, hair-like white spines.It produces vibrant orange-red flowers.
• Rebutia archibuiningiana F.Ritter: The body is made invisible by glassy-white to yellowish, silky, short spines. It produces vibrant orange-red flowers. Distribution: Tarija, Bolivia.
• Rebutia cintiensis F.Ritter
• Rebutia donaldiana A.B.Lau & G.D.Rowley: "Donald’s Red Crown"n" It develops a dense clump of small, dark heads with brown spines which make a perfect backdrop for the small, dark orange-red, numerous flowers. It quickly begins to form a large, tight mound and it then proceeds to hide it all under a dense blanket of its flowers.
• Rebutia fiebrigii (Gürke) Britton & Rose in L.H.Bailey & L.H.Bailey: "Flame Crown" It’s a Bolivian mountain cactus, found at 3600m altitude, and therefore very hardy. It forms a cylinder about 6cm diameter and 10cm tall with few offsets and it produces striking, flame-red flowers over a long season.
• Rebutia fiebrigii var. azurduyensis (J.de Vries): has yellowish to brownish, silky, short spines and peculiar white blooms. Distribution: Azurduy to La Angostura, Bolivia.
• Rebutia fiebrigii var. densiseta (Cullmann) Oeser: has stronger and very dense brownish spines. Distribution: Chuquisaca, Bolivia.
• Rebutia fiebrigii var. vulpes F.Ritter
• Rebutia flavistyla F.Ritter
• Rebutia hoffmannii Diers & Rausch: similar to Rebutia spinosissima, with denser, very fine, tight, white spines, with brownish tips, and outer petals with purple-reddish shades. Distribution: Argentina (Salta) and Bolivia (Tarija).
• Rebutia ithyacantha (Cárdenas) Diers
• Rebutia jujuyana Rausch
• Rebutia kieslingii Rausch
• Rebutia lateritia n.n.: has brick red flowers. Distribution: Potosi to Ballestro, Bolivia.
• Rebutia muscula F.Ritter & Thiele: "Little Mouse" It comes from south Bolivia; it is distinguished by its soft white spination and orange flowers and it blooms heavily in May, continuing until September/October with always at least a few flowers. It is especially desirable for the small size of its main body, with the offsets held closely, usually in a pattern reminiscent of a classical sculpture.
• Rebutia narvaecensis (Cárdenas) Donald: has 10-30 thin, needle-like whitish to yellowish pines, 2-5 mm long, and numerous pale pink flowers. Distribution: Bolivia. Narvaez (Department of Tarija, O'Connor Province)
• Rebutia pulchella Rausch
• Rebutia pulchella var. prolifera Rausch
• Rebutia simoniana Rausch
• Rebutia sp. Huari Huari
• Rebutia vallegrandensis Cárdenas