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Lodgepole Pine - Pinus contorta

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Global Rank: G5
State Rank: S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:

External Links






State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    Lodgepole Pine (Pinus contorta) Conservation Status Review
    Review Date = 05/25/2012
    Population Size

    Score0 - Large: Generally >100,000 individuals.

    Comment

    Range Extent

    Score0 - Widespread species within Montana (occurs in 5% or more of the state or generally occurring in 6 or more sub-basins.) as well as outside of Montana.

    Comment

    Area of Occupancy

    Score0 - High: Occurs in >25 Subwatersheds (6th Code HUC’s).

    Comment

    Trends

    Score0-1 - Stable to Minor Declines:

    Comment

    Threats

    Score0-1 - Low to Medium.

    Comment

    Intrinsic Vulnerability

    Score0 - Low Vulnerability: Species does not have any unusual or specific life history or biological attributes or limted reproductive potential which makes it susceptible to extirpation from stochastic events or other adverse impacts to its habitat and thus slow to recover.

    Comment

    Environmental Specificity

    Score0 - Low: Species is a generalist that occurs in a variety of habitats and/or is tolerant of disturbed or degraded habitats (C -Values of 1-4).

    Comment

    Raw Conservation Status Score

    Score 0 to 2 total points scored out of a possible 19.

 
General Description
Small, slender tree to 35 m with whorled horizontal branches forming a conical crown. Bark thin, scaly, brown or gray. Leaves yellow-green, 4–8 cm long, 2 per fascicle. Seed cones ovoid but asymmetrical, 2–6 cm long. Scales tongue-shaped with a spine tip. Seeds with a conspicuous wing. Our plants are variety latifolia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

General Distribution
Mapped Observations

 


Distribution Comments
In MT across western two-thirds of the state, east to Phillips and Big Horn counties; AK to CA, UT, CO, and SD (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 497

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

Recency

 

(Records associated with a range of dates are excluded from time charts)



Habitat
In mixed or nearly pure forest stands; valleys to treeline (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View WorldCat Record   View Online Publication
    Do you know of a citation we're missing?
    • Anderson, Michelle D. 2003. Pinus contorta var. latifolia. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
    • Conway, T. M. 1982. Response of understory vegetation to varied lodgepole pine (PINUS CONTORTA) spacing intervals in Western Montana. M.S. thesis. Montana State University, Bozeman. 76 pp.
    • Dale, R. G. 1930. Elk and lodgepole pine. Yellowstone Nat. Notes 7(4):21.
    • Lesica, P. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX.
    • Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.
    • Neuenschwander, L. F., and C. D. Armour. 1980. Succession of fuels and vegetation in mountain pine beetle-killed lodgepole pine forests. Prog. Rep., Pp. 13-14 ill K. L. McArthur, ed., Annual Research Summary, Glacier National Park, USDI National Park Service, Glacier National Park, MT. 54 pp.
    • Pfister, R. D., and R. Daubenmire. 1975. Ecology of lodgepole pine. Pages 27-46 in: D. M. Baumgartner, editor. Management of Lodgepole Pine Ecosystems Symposium proceedings. Washington State University, Pullman.
    • Tackle, D. 1964. Generating lodgepole pine in central Montana following clear cutting. USDA Intermountain For. and Range Exp. Sta., Ogden, Utah. 7 pp.
    • Woods of the World Compact (IBM Windows), [CD-ROM]. (1994). Available: Tree Talk.
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Citation for data on this website:
Lodgepole Pine — Pinus contorta.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on October 21, 2014, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PGPIN04080
 
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