Derek Butcher's kitchen method of growing from seed.
names in Rhipsalidinae (Cactaceae), Key to the 4 genera in Rhipsalideae
Tribe, Dr. Wilhelm Barthlott.
Rhipsalis Riddle Part 1. A series of articles by Dr. Phil Maxwell, Bathgate's Road, Waimate, South Canterbury (Copyright November
1998. Published with the author's permission) Part 2, Part 3.
Zygocactus, a discussion by Derek Butcher