Annual Agoseris - Agoseris heterophylla
Annual 4–25 cm. Leaves oblanceolate, 2–10 cm long, entire to remotely dentate. Herbage puberulent to villous. Involucre 1–2 cm high; phyllaries in 2 or 3 series, the outer often spotted, lanceolate, villous with dark-septate hairs. Rays yellow; ligules 2–4 mm long. Pappus 4–9 mm long. Achene body 2–5 mm long; beak 7–10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC, MT south to CA, AZ and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
The following animal species have been reported as pollinators of this species or genera where their geographic ranges overlap: Bombus bifarius
and Bombus insularis
(Wilson et al. 2010).
- Literature Cited AboveLegend: View Online Publication
- Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Arvidson, Michael. 2000. Element occurrence form(s). U.S. Forest Service for the Montana Natural Heritage Program.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Skinner, Beverly. 2020. Electronic mail correspondence of plants found on the Lost Trail National Wildlife Refuge. Provided on February 28, 2020.