Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Three-square Bulrush - Schoenoplectus pungens
Other Names:  Scirpus pungens


Global Rank: G5
State Rank: S5

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

External Links






 
General Description
Stems 3-sided, 10–200 cm. Leaf blades flat or folded, 1–4 mm wide. Inflorescence compact, of 1 to 6 sessile spikelets. Spikelets 7–20 mm long. Scales 3–6 mm long, glabrous, light brown to blackish; awn bent, 0.5–2 mm long. Flowers: bristles 4 to 8, shorter to as long as the achene; stigmas 2 or 3. Achene 2- or 3-sided, brown, ca. 3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 39

(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
Usually saline or alkaline, wet meadows, marshes; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Three-square Bulrush — Schoenoplectus pungens.  Montana Field Guide.  .  Retrieved on , from