Heterodraba
Encyclopedia
Heterodraba is a monotypic genus of plants in the mustard family
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

 containing the single species Heterodraba unilateralis, which is known by the common name ladiestongue mustard. It is native to western North America, where it can be found in Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

, central California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, and northern Mexico, generally in open, grassy habitats. It is an annual herb with a short, hairy stem bearing small white flowers.

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