Helenium amarum - Bitterweed, Bitter Sneezeweed, Yellowdicks, Spanish Daisy, American Sneezeweed. Common weed found in meadows, along roadsides, and other disturbed areas. Some authorities consider it to be weedy or invasive. If cows eat them their milk will have a bitter taste. This plant is a native of the United States. They are in the Asteraceae (Aster) family.
Bitterweed's yellow blossom is a typical aster with a cluster of disk flowers and separate ray flowers. H. amarum typically has five to ten ray flowers hanging down from the dome-shaped disk.
This is var. amarum, which is the more widespread of the two Helenium amarum varieties. The other variety, var. badium has a brown central disk, and is found only in Oklahoma, Texas, and South Carolina.
