Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Small Bur-reed - Sparganium natans
Other Names:  Sparganium minimum

Image Copyright and Usage Information
Native Species

Global Rank: G5
State Rank: S4
C-value: 6


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems floating, 10–60 cm. Leaves 2–5 mm wide, not keeled. Inflorescence unbranched with usually 1 sessile male head and 1 to 4, sessile or pedunculate female heads, 7–12 mm wide at maturity. Styles unbranched. Achenes fusiform, 2–4 mm long, abruptly tapered to the ca. 1 mm long beak (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Circumboreal south to CA, UT, WY, ND, IL and NY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 60

(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
Shallow to deep water of lakes, ponds, fens; valleys, montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


References
Login
Citation for data on this website:
Small Bur-reed — Sparganium natans.  Montana Field Guide.  .  Retrieved on , from