Status
The species is classified as a noxious weed in New York, Pennsylvania, Massachusetts, Connecticut, Vermont and New Hampshire. It is considered naturalized in Kamchatka, Australia, New Zealand and Argentina.
Habitat
In Britain, ''Galium palustre'' is part of the British NVC Community M23 . It is a component of Purple moor grass and rush pastures - a type of Biodiversity Action Plan habitat in the UK. It occurs on poorly drained neutral and acidic soils of the lowlands and upland fringe. It is found in the South West of England, especially in Devon.References:
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