Cultivars

Crassula 'Blue Bird'

The exact identity of this cultivar is uncertain, possibly c. arborescens subsp. undulatifolia. Low, robust shrub with oval, glaucous leaves.

Crassula 'Emerald'

Possibly a hybrid between c. sussanae and c. barklyi.

Crassula 'Jade Necklace'

A hybrid between c. rupestris subsp. marnieriana and c. perfoliata var. falcata.

Crassula 'Roger Jones'

A hybrid between c. barbata and possibly c. orbiculata.

Crassula 'Springtime'

A hybrid possibly between c. perfoliata var. falcata and c. rupestris.

Crassula 'Tom Thumb'

A hybrid between c. rupestris subsp. marnieriana and, probably, c. rupestris subsp. rupestris.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     [Saxifraganae]
order      Saxifragales
family       Crassulaceae
genus        Crassula L.