Rocky Mountain Helianthella - Helianthella uniflora
Rocky Mountain Rockrose
MNPS Threat Rank
Stems 30–70 cm. Herbage scabrous to stiff-puberulent. Leaf blades narrowly lanceolate to lanceolate, 3-veined, 5–12 cm long. Heads erect; involucres 10–25 mm across; phyllaries linear-lanceolate; receptacle scales stiff. Ray ligules 15–30 mm long. Disk corollas 5–7 mm long. Achenes 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC to NV, AZ and CO (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)
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Nyberg, H.E. 1980. Distribution, movements and habitat use of mule deer associated with the Brackett Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 106 p.
- Sikes, D.S. 1994. Influences of ungulate carcasses on Coleopteran communities in Yellowstone National Park, USA. M.Sc. Thesis. Bozeman, MT: Montana State University. 179 p.
- Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.