Perennial sowthistle is an invasive species. Perennial sowthistle is found in colonies in cultivated fields, pastures, woodlands, roadsides and gardens. It spreads vegetatively, and by wind-borne ...

Alpine blue-sowthistle is the rarest and hardest to find of the three target species Conservationists are trying to find out where three rare and endangered species of plants grow in Scotland.

This is an annual weed, reproducing by seeds. The stems are erect, 1-4 ft. high, hollow, and glabrous. The leaves are alternate with spiny and deeply lobed margins. Lower leaves are petiolate while ...