Crassula is a genus of succulent plants containing about 200 accepted species, including the popular jade plant. They are members of the stonecrop family (Crassulaceae) and are native to many parts of the globe, but cultivated varieties originate almost exclusively from species from the Eastern Cape of South Africa.
Crassula helmsii, known as swamp stonecrop or New Zealand pigmyweed, is an aquatic or semiterrestrial species of succulent plant in the family Crassulaceae. Originally found in Australia and New Zealand, it has been introduced around the world. In the United Kingdom, this plant is one of five introduced invasive aquatic plants which were banned from sale from April 2014. This is the first ban of its kind in the country. It is on the Global Register of Introduced and Invasive Species of eleven countries.
Crassula colorata, the dense pigmyweed or dense stonecrop, is an annual plant in the family Crassulaceae. The species is endemic to Australia, occurring in Western Australia, South Australia, New South Wales and Victoria.
Crassula arborescens, the silver jade plant, silver dollar plant, beestebul, Chinese jade, money plant, or money tree, is a species of succulent plant in the family Crassulaceae. It is an endemic plant of the Western Cape, South Africa. It is a 2 to 4 ft succulent shrub. It has round gray "Silver Dollar" leaves. It blooms in winter, with white to pink flowers. It is cultivated as an ornamental plant for use in drought tolerant and succulent gardens, and in container gardens. It is also suitable for growing indoors as a houseplant.
Crassula moschata, commonly known as the Shore Stonecrop, Musky Stonecrop, or Musky Crassula, is a hairless, mat-forming, succulent, perennial herb. It is widespread on the subantarctic and cool temperate shores of the Southern Ocean.
Crassula capitella, is a perennial succulent plant native to southern Africa.
Crassula nudicaulis is a succulent plant native to South Africa, and Lesotho.
Stirlingia seselifolia is a herb or shrub endemic to Western Australia.
Stirlingia tenuifolia is a herb or shrub endemic to Western Australia.
Crassula alata is a herb in the family Crassulaceae found in southern Australia.
Crassula closiana is a herb in the family Crassulaceae that is native to Western Australia.
Crassula colligata is a herb in the family Crassulaceae that is native to Western Australia.
Crassula decumbens, commonly known as rufous stonecrop, cape crassula or spreading crassula, is a herb in the family Crassulaceae that is native to southern parts of Australia.
Crassula exserta is a herb in the family Crassulaceae that is native to Western Australia.
Crassula glomerata is a herb in the family Crassulaceae.
Crassula natans, commonly known as floating pigmyweed, is a herb in the family Crassulaceae.
Crassula peduncularis, commonly known as purple stonecrop, is a herb in the family Crassulaceae.
Crassula tetramera is a herb in the family Crassulaceae.
Hellmut R. Toelken is a South Australian botanist. He retired in December 2008 from the position of senior biologist at the State Herbarium of South Australia, but remains an honorary research associate. Earlier he was with the Botanical Research Institute, Department of Agricultural Technical Services, Pretoria, S Africa.
