Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Northern Blue-eyed-grass - Sisyrinchium septentrionale

Species of Concern
Native Species

Global Rank: G4
State Rank: S1S2
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank: 3
C-value: 8

External Links

State Rank Reason (see State Rank above)
Rare in Montana, where it is known from one prairie site in the northeastern corner of the state. Population information and related habitat data from the known location are lacking.
  • Details on Status Ranking and Review
    Northern Blue-eyed-grass (Sisyrinchium septentrionale) Conservation Status Review
    Review Date =
General Description
Stems 10–40 cm. Leaves 1–2 mm wide. Inflorescence of 2 to 4 flowers; inner spathe 1–4 cm long; outer spathe 2–6 cm long. Flowers: tepals 8–9 mm long, blue with yellow bases. Capsule globose 3–5 mm high (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Flowering in June.

Species Range

Range Comments
BC to SK south to WA and MT. Known from Sheridan Co (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



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

Low prairie zone of prairie wetland margins.

Ecological Systems Associated with this Species

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Cholewa, A.F., and D.M. Henderson. 1984. Primula alcalina (Primulaceae): a new species from Idaho. Brittonia 36(1): 59-62.
    • Heidel, B.L., S.V. Cooper and C. Jean. 2000. Plant species of special concern and plant associations of Sheridan County, Montana. Report to U.S. Fish and Wildlife Service. Montana Natural Heritage Program, Helena, Montana. 96 p.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Lesica, P., P. Husby, and S. V. Cooper. 1998. Noteworthy collections: Montana. Madrono 45:328-330.
  • Web Search Engines for Articles on "Northern Blue-eyed-grass"
Login Logout
Citation for data on this website:
Northern Blue-eyed-grass — Sisyrinchium septentrionale.  Montana Field Guide.  .  Retrieved on , from