Northern Blue-eyed-grass - Sisyrinchium septentrionale
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.
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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Flowering in June.
BC to SK south to WA and MT. Known from Sheridan Co (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Low prairie zone of prairie wetland margins.
Ecological Systems Associated with this Species
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans
, Bombus bifarius
, Bombus centralis
, Bombus fervidus
, Bombus flavifrons
, Bombus mixtus
, Bombus rufocinctus
, Bombus occidentalis
, Bombus griseocollis
, and Bombus suckleyi
(Mayer et al. 2000, Colla and Dumesh 2010).
Threats or Limiting Factors
STATE THREAT SCORE REASON
Threat impact not assigned because threats are not known.
- Literature Cited AboveLegend: View Online Publication
- Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Mayer, D.F., E.R. Miliczky, B.F. Finnigan, and C.A. Johnson. 2000. The bee fauna (Hymenoptera: Apoidea) of southeastern Washington. Journal of the Entomological Society of British Columbia 97: 25-31.
- Additional ReferencesLegend: View Online Publication
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- 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., P. Husby, and S. V. Cooper. 1998. Noteworthy collections: Montana. Madrono 45:328-330.