Detail in B&R IV 247. 1923
Rhipsalis riedeliana Regel, Ind. Sem. Hort. Petrop. 1860: 49. 1860.
Hariota riedeliana Kuntze, Rev. Gen. Pl. 1: 263. 1891.

This plant was sent from Brazil by Riedel, but we do not know it. Schumann did not know it.
Treated as ? teres in B&T 1995