Lyall's goldenweed - Tonestus lyallii
(see State Rank Reason below)
State Rank Reason (see State Rank above)
Numerous collections from mountain ranges across western and central Montana. The alpine habitat should preclude most disturbance and threats to the viability of the species in the state.
Plants with slender caudex branches that sometimes root. Stems prostrate to ascending, 2–10 cm, stipitate-glandular. Leaf blades lanceolate to oblanceolate, 1–6 cm long, stipitate-glandular, sessile on the stem. Involucres campanulate, 7–11 mm high; phyllaries lanceolate, stipitate-glandular, often purple. Ray ligules 7–12 mm long. Disk corollas 6–8 mm long. Achenes 2–5 mm long, villous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
BC, AB south to CA, NV and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
- Literature Cited AboveLegend: View Online Publication
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.