''Amphiachyris'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae ...

described as a species in 1840. ''Amphiachyris'' is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

. ; SpeciesBiota of North America Program 2013 county distribution maps
/ref> * '' Amphiachyris amoena'' (Shinners) Solbrig - Texas * ''

Amphiachyris dracunculoides ''Amphiachyris dracunculoides'', commonly called broomweed, is a North American species of flowering plants in the family Asteraceae. It is native to the United States, primarily the southern Great Plains from Missouri to eastern New Mexico. ' ...

'' (DC.) Nutt. - southern Great Plains, with a few scattered populations farther east

References

Astereae Asteraceae genera Flora of the United States {{Astereae-stub