EPPO Global Database

Crassula helmsii(CSBHE)

Distribution details in United Kingdom

Current pest situation evaluated by EPPO on the basis of information dated 2004: Present, restricted distribution
First recorded in: 1950s
EPPO Reporting Service (2004/042) : Alert listing. First found in 1950s, now reported at over 650 sites in British Isles

EPPO Reporting Service (2018/182) : biocontrol
EPPO Reporting Service (2022/049) : assessment of A. crassulae as a biocontrol agent against C. helmsii.
* Hackney P (2005) Invasive Aliens in Northern Ireland. Crassula helmsii. National Museums and Galleries of Northern Ireland. http://www.habitas.org.uk/invasive/species.asp?item=4639

* Leach J & Dawson H (1999) Crassula helmsii in the British Isles – an unwelcome invader. British Wildlife 10, 234–239.