![](http://www.alamy.com/thumbs/6/6DF5F578-B286-4FA6-85B4-6DE8BEAA8132/2C8GJCN.jpg)
Crassula helmsii, a non-native invasive pond plant in the UK, also called swamp stonecrop or New Zealand pigmyweed
Size: 5568px × 3712px
Location: Newnham, Hampshire, England, UK
Photo credit: © Gillian Pullinger / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -native, aquatic, crassula, crassulaceae, dense, england, green, helmsii, introduced, invasive, kingdom, pigmyweed, plant, plants, pond, problem, semiterrestrial, stonecrop, swamp, uk, united, zealand