Umbilicus is a genus of over ninety species of flowering plants in the family Crassulaceae. Many of its species have been given synonyms under different genera such as Rosularia, Cotyledon, and Chiastophyllum. However, those that remain in Umbilicus are listed below:
Umbilicus chloranthus (called green Venus' navel)
Umbilicus chrysanthus (called Venus' navel)
Umbilicus erectus (called reniform Venus' navel)
Umbilicus horizontalis (called horizontal navelwort)
Umbilicus intermedius (called intermediate ...