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Weed Identification

hairy cat's ear

Family

Asteraceae

Scientific Name

Hypochaeris radicata

Other Common Names:

common cat's-ear
gosmore
false dandelion
frogbit
spotted catsear

Habit

Common catsear occur in lawns, pastures, gardens, seed fields, and waste places.

Leaves

The leaves of this perennial plant are of basal rosettes. The leaves are rough-hairy and lobed, or wavy-margined.

Identifying Characteristics

The plant is poisonous and believed to be the cause of Australian Stringhalt in horses.

Flower Seed Head

The yellow flowers occur in heads that are one to 1.5 inches in diameter. The hollow, sparsely branched flowering stems contain a white, milky juice, and are 0.75 to two feet tall. The yellow flowers occur in heads that are one to 1.5 inches in diameter.

Seed Fruit

The fruits are long-beaked and tipped by a circle of plume-like bristles.

Where Found

Common catsear comes from Europe, but is now widespread in the United States and southern Canada. Abundant in western Washington and western Oregon, one population has been reported on Washington State University campus in Pullman.

Life Cycle

perennial

Plant Type

Herb