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Montana Field Guide

Montana Field Guides

Western Saxifrage - Micranthes occidentalis
Other Names:  Saxifraga occidentalis


Global Rank: G5
State Rank: S4S5

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

External Links






 
General Description
Perennial from a simple rootstock, often with bulblets among roots. Stems usually solitary, scapose, erect, 3–30 cm, glandular-hairy. Leaves all basal, petiolate; the blade broadly elliptic to ovate, 1–6 cm long, dentate. Inflorescence glandular, paniculate (sometimes congested); the flowers clustered at the branch tips. Flowers: calyx cup-shaped with lobes 1–2 mm long; hypanthium 0.5 mm or less long; petals obovate, white, 2–3 mm long; ovary at least 3/4 superior. Capsule 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AB south to OR, NV and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 10

(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
Rock outcrops, vernally moist, usually stony soil of grasslands, meadows, turf; valleys to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Western Saxifrage — Micranthes occidentalis.  Montana Field Guide.  .  Retrieved on , from