About Galium palustre L.
Galium palustre, commonly known as common marsh bedstraw or simply marsh-bedstraw, is a herbaceous annual plant in the family Rubiaceae. This species has a wide distribution: it is native to almost every European country, as well as Morocco, the Azores, Turkey, Turkmenistan, Western Siberia, Greenland, eastern Canada, Saint Pierre and Miquelon, and parts of the United States. In the US, it occurs primarily in Michigan and the Northeast, with isolated populations in Tennessee, Montana, Washington, and Oregon. Galium palustre is classified as a noxious weed in New York, Pennsylvania, Massachusetts, Connecticut, Vermont, and New Hampshire. It is also considered naturalized in Kamchatka, Australia, New Zealand, and Argentina. In ecological terms, Galium palustre is a member of British National Vegetation Community M23, the Juncus effusus/acutiflorus – Galium palustre rush-pasture. It forms part of Purple moor grass and rush pastures, a Biodiversity Action Plan habitat in the United Kingdom. This plant grows on poorly drained neutral and acidic soils in lowlands and upland fringe areas, and is found in South West England, particularly in Devon.
