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Montana Field Guide

Montana Field Guides

Northern Green Rush - Juncus alpinoarticulatus
Other Names:  Juncus alpinus


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






 
General Description
Rhizomatous. Stems erect, terete, 10–40 cm, often tufted. Leaves basal and cauline; blades terete, 0.5–2 mm wide; auricles rounded. Inflorescence open with clusters of 3 to 6 flowers at tips and forks of erect branches; main bract smaller than the inflorescence. Flowers: prophylls absent; tepals mostly brown, 2–3 mm long; outer acute; inner rounded, slightly shorter; stamens 6. Capsules 2–3 mm long, barely exserted, rounded to the beak; seeds apiculate (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to Greenland south to WA, UT, CO, MN and VT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 7

(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
Wet mineral or organic soil of stream banks and margins of ponds, fens; plains, valleys to 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:
Northern Green Rush — Juncus alpinoarticulatus.  Montana Field Guide.  .  Retrieved on , from