Rhipsalis rhombea Neotype: ex hort. BG Bonn Acc. No. 4477, pseudo Rauh No. 35834, ex collection Dr. Friedrich (B: B 10 0525912) Isoneotype: ex hort. BG Bonn Acc. No. 4477, pseudo Rauh No. 35834, ex collection Dr. Friedrich (B: B 10 0676801) Isoneotype: ex hort. BG Bonn Acc. No. 4477, pseudo Rauh No. 35834, ex collection Dr. Friedrich (B: B 10 0676802) DNA Bank DB 40100 DNA Bank DB 39869 Anonymous collector s.n. (Herbarium Berolinense: B GT 0023458) Brazil, no locality data., K. Friedrich 35834 (Herbarium Berolinense: B GT 0023485) Brazil, no locality data., K. Friedrich 35834 (Herbarium Berolinense: B 10 0525909)