Hydrocotyle ranunculoides(HYDRA)
Distribution details in United Kingdom
Current pest situation evaluated by EPPO on the basis of information dated
2022: Present, restricted distribution
First recorded in: 1980s
First recorded in: 1980s
EPPO Reporting Service (2004/042) : Alert listing. Since first find in 1980s, recorded at 71 sites by 2001, mainly in south of England Wales, but also in northwest of England.
EPPO Reporting Service (2007/141) : infestation removed at Gillingham in SE England. Eradication not yet confirmed, but the approach has been shown to be successful if rapidly undertaken.
EPPO Reporting Service (2022/223) : biological control is implemented in the UK.
EPPO Reporting Service (2007/141) : infestation removed at Gillingham in SE England. Eradication not yet confirmed, but the approach has been shown to be successful if rapidly undertaken.
EPPO Reporting Service (2022/223) : biological control is implemented in the UK.
* Barker J, Newman J R & Watson R (1997) Genetic diversity in UK populations of Hydrocotyle ranunculoides measured by RAPD and AFLP analysis. Internal Report Long Ashton Research Station.
* Kelly A (2006) Removal of invasive floating pennywort Hydrocotyle ranunculoides from Gillingham Marshes, Suffolk, England. Conservation Evidence 3, 52-53.
* Kelly A (2006) Removal of invasive floating pennywort Hydrocotyle ranunculoides from Gillingham Marshes, Suffolk, England. Conservation Evidence 3, 52-53.