Least Tarweed, Smallhead Tarweed, Small-head Tarweed
Hemizonella minima
Synonyms: Hemizonia minima, Madia minima

Smallhead tarweed beginning to bloom in pine forest along the Willard Springs Trail in Conboy Lake National Wildlife Refuge........May 24, 2016. Note the stem leaves which are all alternate.
- 
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.