Name: Evan Pioneer Valley south, MA, USA (Zone 6a)
At present Rhipsalidopsis are now considered synonyms for species in Hatiora. If the species is known, an unnamed cultivar can be placed in either Easter Cactus (Hatiora gaertneri) (syn. R. gaertneri) or Easter Cactus (Hatiora rosea) (syn. R. rosea has been added).
If the species hasn't yet been determined a photograph of an unnamed plant should be put in the generic entry for Easter Cactus (Hatiora) which was just added.