Australian Swamp STONECROP / New Zealand Pigmyweed

Australian Swamp STONECROP / New Zealand Pigmyweed - in flower (Crassula helmsii). Invasive, alien. Introducted to the United Kingdom from Tasmania in 1911, sold into the garden trade as an oxygenating pond plant. It was first detected in the wild in 1970 and has become invasive, choking and outcompeting our native plant species. Once established, it is very difficult to eradicate

Alien Crassula Introduced Invasive Marshes Ponds Stonecrop Swamp Tasmania Wetlands

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