Aeonium decorum 
Aeonium simsii 
Aeonium tabuliforme 
Alternate-leaved golden-saxifrage 
American alumroot 
American Sweetgum Tree 
American witch-hazel 
Balkan Peony 
Bergenia purpurascens 
Bishop's cap 
Broadleaf stonecrop 
Brown's Peony 
Bryophyllum fedtschenkoi 
Canadian gooseberry 
Canyon live-forever 
Chinese witch hazel 
Common Houseleek 
Common Raspwort 
Coral Crassula 
Crassula alata 
Crassula capitella 
Crassula corymbulosa 
Crassula elegans 
Crassula intermedia