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Montana Field Guide

Montana Field Guides

Softstem Bulrush - Schoenoplectus tabernaemontani
Other Names:  Scirpus validus


Global Rank: G5
State Rank: S4

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

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General Description
Stems terete, 80–150 cm, filled with spongy air cavities. Leaf blades reduced to scales. Inflorescence usually open with small clusters of spikelets on tips of spreading to erect peduncles. Spikelets 5–12 mm long. Scales 2–3 mm long, glabrous, ciliate, tan to reddish with short, dark red, parallel lines; awn ca. 0.5 mm long. Flowers: bristles 6, ca. as long as achene; stigmas 2. Achene 2-sided, dark brown, 1.5–3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout temperate N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 11

(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
Fresh or saline marshes around ponds, lakes, slow streams; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Softstem Bulrush — Schoenoplectus tabernaemontani.  Montana Field Guide.  .  Retrieved on , from