European marsh thistle, a terrestrial and wetland herbaceous biennial in the Asteraceae family, is an invasive plant that prefers moist soils. European marsh thistle frequently invades fens, wetlands, ...

The Wright’s marsh thistle requires water-saturated and alkaline soils, full sunlight, and a nearby diversity of other plants to also attract pollinators. It occurs in just eight widely separated ...

unlike the leaves and unlike bull thistle and European marsh thistle pink, white, or lavender-colored flowers with flat bracts and pointed tips that bloom in June seed are fluffy, white tufts of hair ...