Cotyledon umbilicus:
Cotyledon umbilicus:
Cotyledon umbilicus Britten, Crassulaceae: See Umbilicus rupestris (Salisb.) Dandy.
Cotyledon umbilicus L., Crassulaceae: See Umbilicus rupestris (Salisb.) Dandy.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.