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Montana Field Guide

Montana Field Guides

Woolgrass Bulrush - Scirpus atrovirens

Status Under Review
Native Species

Global Rank: G5
State Rank: SU
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Stems 30–80 cm, clustered on short rhizomes. Leaves: blades 4–8 mm wide; basal sheaths green to tan. Inflorescence of few or several globose heads on short peduncles. Spikelets 2–5 mm long. Scales 1–1.5 mm long, blackish with pale midribs; tip acute to apiculate. Flowers: bristles 6, straight or curved, white, spinulose, ca. as long as the achene; stigmas 3. Achene obscurely 3-sided, white to light brown, ca. 1 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
MT to NL south to AZ, TX and GA. Collected in Flathead County (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Web Search Engines for Articles on "Woolgrass Bulrush"
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Citation for data on this website:
Woolgrass Bulrush — Scirpus atrovirens.  Montana Field Guide.  .  Retrieved on , from