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Montana Field Guide

Montana Field Guides

Spiny Sandwort - Arenaria aculeata
Other Names:  Eremogone aculeata

Status Under Review

Global Rank: G5
State Rank: SU

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

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General Description
Mat-forming perennial from a branched caudex. Stems erect, simple, 5–25 cm. Leaves glaucous, needle-like, 10–25 mm long, shorter above. Inflorescence open, dark-tipped glandular-hairy. Flowers: sepals ovate with an acute tip, scarious-margined, 3–5 mm long; petals obovate, 4–10 mm long. Capsules glabrous, 5–9 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
WA to MT south to CA, NV and UT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 15

(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
Sandy or gravelly, granitic soil of exposed ridges, slopes; subalpine and alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Spiny Sandwort — Arenaria aculeata.  Montana Field Guide.  .  Retrieved on , from