0.5-2 ft. tall, highly branched and bushy
Alternate, finely and deeply divided, up to 2.5 inches long and sometimes hairy
Daisy-like; 0.5-1 in. diameter; yellow center with 10-15 white petals
Short, thick taproot
Grows best on disturbed sites; often infests roadsides, waste areas, landscaped areas and crop fields; known to occur in Douglas, Humboldt and Lyon counties
Annual; reproduces by seed
Foliage has a foul odor when crushed; reported to irritate the skin of livestock and change the milk flavor of lactating animals
Also known as dog fennel
Cultivation or mowing prior to seed set can be effective
Apply bromoxynil, dicamba, metsulfuron, picloram or tribenuron to actively growing plants