Chaenactis mainsiana A. Nelson & Macbr.Idaho: Payette Forest Reserve.
Phenology: Flowering.
Holotype: Chaenactis mainsiana A. Nelson & Macbr.. Published 1913. Bot. Gaz. 56: 477. 1913.G. B. Mains D34, collected 1912
RM, Accession: 73004, Barcode: RM0000853
Chaenactis mainsiana A. Nelson & Macbr.
Idaho: Payette National Forest. Elev. 5000 ft.
Sandy slopes. Phenology: Flowering. Phototype: Chaenactis mainsiana A. Nelson & Macbr.. Published 1913. Bot. Gaz. 56: 477-478. 1913.
Lee O. Miles? s.n., Jun 22, 1912
USFS, Accession: 460531