Australian swamp stonecrop
Crassula helmsii
Family: Crassulaceae
Other Common Names: New Zealand pigmyweed
Weed class: noClass
Native to: Australia and New Zealand
Legal listings:
This plant is on the quarantine list. It is prohibited to transport, buy, sell, offer for sale, or distribute plants or plant parts of quarantined species into or within the state of Washington or to sell, offer for sale, or distribute seed packets of seed, flower seed blends, or wildflower mixes of quarantined species into or within the state of Washington. Please see WAC 16-752 for more information on the quarantine list.
Why Is It a Noxious Weed?
This plant is not listed on the Washington State Noxious Weed List but is listed on the Washington State Prohibited Plants (Quarantine) List. For questions about the prohibited plants/quarantine list, contact the Washington State Department of Agriculture's Plant Services Program at (360) 902-1874 or email PlantServices@agr.wa.gov.
How would I identify it?
For More Information
GB non-native species secretariat information on Cassula helmsii
CABI Invasive Species Compendium information on Crassula helmsii
European and Mediterranean Plant Protection Organization data sheet on Crassula helmsii
U.S. Fish and Wildlife Service Ecological Risk Screening Summary of Australian Swamp Stonecrop
Additional Photos
