Sow thistle is commonly found in crops, gardens and waste areas. As with many members of the Asteraceae family, it starts life as a rosette, and then bolts to form an upright flower stem. Sow thistle ...

Thistles are flowering plants in the Asteraceae family with sharp ... This is a unique adaptation that protects thistle plants from hungry, plant-eating animals. Many thistle plants look alike ...

Winged thistle is a winter annual, which means it generally establishes from seed in autumn, grows as a typical thistle rosette over winter, then develops an upright flower stem in spring, from which ...

Bull thistle, a member of the Asteraceae family, is yet another herbaceous biennial on our list of invasives. Unfortunately, bull thistle can flourish in an array of sites ranging from meadows, ...

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, ...

milk thistle might not be for everyone as it can occasionally cause mild side effects like bloating, headaches, or allergic reactions in individuals sensitive to the Asteraceae plant family.

DESCRIPTION: This plant has a pink to purple flower and may grow to be six feet tall. Its stems are purplish brown, stout and highly branched. HABITAT: The Sacramento Mountains thistle is limited to ...