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Montana Field Guide

Montana Field Guides

Thread Rush - Juncus filiformis


Global Rank: G5
State Rank: SNR

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

External Links






 
General Description
Spreading-rhizomatous. Stems erect, terete, 4–30 cm. Leaves mainly basal; blades and auricles absent; sheaths green to light brown. Inflorescence congested with 5 to 20 short-pedicellate flowers; main bract terete, erect, appearing like a continuation of and often longer than the stem. Flowers with prophylls; tepals green to tan, 2–4 mm long, acuminate; stamens 6. Capsules 2–3 mm long, rounded on top; seeds unappendaged (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to OR, ID, UT, CO, MI and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 1

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Thread Rush — Juncus filiformis.  Montana Field Guide.  .  Retrieved on , from