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Montana Field Guide

Montana Field Guides

Rocky Mountain Helianthella - Helianthella uniflora


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
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).

Species Range
Present
 


Range Comments
BC to NV, AZ and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 51

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Sagebrush steppe, grasslands, forest openings; montane, lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Rocky Mountain Helianthella — Helianthella uniflora.  Montana Field Guide.  .  Retrieved on , from