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Montana Field Guide

Montana Field Guides

Three-nerve Fleabane - Erigeron subtrinervis


Global Rank: G5
State Rank: S3S4

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

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General Description
Fibrous-rooted from a branched rhizome. Stems erect, 15–60 cm. Herbage hirsute. Leaves basal and cauline; blades oblanceolate to ovate, 3–7 cm long, entire, sessile above. Heads 1 to 6, radiate. Involucres hemispheric, 5–9 mm high; phyllaries in 2 or 3 series, glandular, hirsute. Rays 100 to 150, blue; ligules slender, 6–14 mm long. Disk corollas 3–4 mm long. Achenes ca. 2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
ID, MT, ND south to NM and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 4

(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
Grasslands, sagebrush steppe, pine woodlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Three-nerve Fleabane — Erigeron subtrinervis.  Montana Field Guide.  .  Retrieved on , from