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Montana Field Guide

Montana Field Guides

White Heath Aster - Symphyotrichum ericoides
Other Names:  Aster ericoides, Aster pansus


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

External Links






 
General Description
Perennial from a branched caudex. Stems ascending to erect, sometimes branched, 20–70 cm, often clustered. Herbage strigose to pubescent. Leaves cauline, linear, sessile, entire, 1–5 cm long, often with fascicles or short branches in the axils, the lowest deciduous. Inflorescence open, leafy-paniculate with numerous secund heads; peduncles pubescent to hispid. Involucre campanulate, 3–5 mm high; phyllaries imbricate, spreading, oblanceolate, mucronate, sparsely hispid, ciliate, green above, white below. Rays 10 to 18, white; ligules 3–6 mm long. Disk flowers 6 to 12, yellow; corolla 2–3 mm long. Achenes oblong, 1–2 mm long, sparsely hairy (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety pansum (S.F. Blake) G.L.Nesom

Species Range
Present
 


Range Comments
BC to QC south to AZ. NM, TX AL, VA and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 17

(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
Moist meadows, grasslands, often around streams, wetlands; 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:
White Heath Aster — Symphyotrichum ericoides.  Montana Field Guide.  .  Retrieved on , from