1. Anonymous. (1972). “Kalanchoe In The Ball Red Book, edited by V. Ball, Reston, VA: Reston, p. 372.
2. Anonymous (1990a) Flowering Schedule for Mikkelsens Pot Kalanchoes. Ashtabula, Ohio: Mikkelsen, Inc.
3. Anonymous. (1990b). Mikkelsens ‘Bonanza’ Hybrid Kalanchoes. Astabula, Ohio: Mikkelsen, Inc.
4. “Kalanchoe,”;Bailey,1928
5. Hortus Third;Bailey,1976