Least Tarweed, Smallhead Tarweed, Small-head Tarweed
Hemizonella minima
Synonyms: Hemizonia minima, Madia minima
Smallhead tarweed as seen along Old Headquarters Road in the Klickitat State Wildlife Area of south-central Washington.........May 31, 2009.
-- 
Close-up views of smallhead tarweed as seen along Old Headquarters Road in the Klickitat State Wildlife Area of south-central Washington.........May 31, 2009.
Small tarweed as seen along Rattlesnake Creek at the southeast corner of the meadows at Panacanic, western Klickitat County, Washington..........May 6, 2015.
- 
The photos above were taken in the Dairy Creek
drainage on the southeastern flanks of Mt. Adams between the elevations of 2750-3100'........
May 14, 2005.
Small tarweed observed on steep, dry slopes under oaks above the Klickitat River about one-half mile north of Klickitat, WA......April 29, 2022.
Paul Slichter