Rhipsalidopsis gaertneri Brazil, Santa Catarina, Blumenau, Gärtner (not known whether preserved) Lectotype: [icon.] Regel in Gartenflora 33: tab. 1172. 1884 DNA Bank DB 39739 Brazil, Rio Grande do Sul. ca. 150 km nördl. Porto Alegre, Schutzgebiet Pró Mata., 1 Jan 1996, B. Schlumpberger s.n. (Herbarium Berolinense: B GT 0023333)