Heterotheca barbata explained

Heterotheca barbata, the Spokane false goldenaster, is a very rare North American species of flowering plant in the family Asteraceae. It has been found only in the northwestern United States, in eastern Washington and northern Idaho.^{[1] [2] [3]}

Notes and References

1. http://bonap.net/MapGallery/County/Heterotheca%20barbata.png Biota of North America Program 2014 county distribution map
2. https://www.biodiversitylibrary.org/page/12871182#page/161/mode/1up Rydberg, Per Axel. 1910. Bulletin of the Torrey Botanical Club 37(3): 130
3. https://uwaterloo.ca/astereae-lab/heterotheca-barbata University of Waterloo (Canada), Astereae Lab, Heterotheca barbata