Rhipsalidopsis ×graeseri (Werderm.) P.V.Heath in Calyx 3: 31. 1993 Rhipsalidopsis ×graeseri (Werderm.) P.V.Heath in Calyx 3: 31. 1993is new combination for Hatiora ×graeseri (Werderm.) Barthlott ex D.R.Hunt in Bradleya 10: 25. 1992Taxon for this nameRhipsalidopsis ×graeseri (Werderm.) P.V.Heath in Calyx 3: 31. 1993