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Montana Field Guides

Douglas-fir - Pseudotsuga menziesii

Native Species

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

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    Douglas-fir (Pseudotsuga menziesii) Conservation Status Review
    Review Date = 05/24/2012
    View State Conservation Rank Criteria
    Population Size

    Score0 - Large: Generally >100,000 individuals.

    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.

    Area of Occupancy

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

    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).

    Trends

    Score0 - Stable or Increasing: Population size, range, and/or available habitat stable, increasing or fluctuating in the recent past (approximately 30 years).

    Threats

    Score0 - Low: Impacts, if any, to the species are expected to be minor or insignificant (affecting <10% of populations) in severity, scope and immediacy.

    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.

    Raw Conservation Status Score

    Score 0 total points scored out of a possible 19.

 
General Description
Evergreen trees up to 60 m tall with spreading branches and narrow to broadly conical crowns. Bark of older trees thick, furrowed and gray with reddish brown between furrows. Leaves yellow- to blue-green, single, spirally arranged and spreading, 15–25 mm long, stomates lacking on upper surface. Leaf buds conical. Seed cones narrowly ellipsoidal, 3–6 cm long, maturing the first season and shed entire. Scales broadly rhombic, stiff, pubescent, subtended by a longer 3-lobed bract. Seeds winged. Our plants are var. glauca (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
In MT across the western two-thirds of the state; BC to AB south to CA, TX, and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 16857

(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
Dry to mesic forests; valleys to subalpine and on the plains along the Missouri River (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Artley, D. K. 1978. Predicting duff reduction from broadcast burning in western larch/Douglas fir stands. M.S. Thesis, University of Montana, Missoula.
    • Burkholder, B.O. 2015. Seasonal distribution, winter habitat selection and willow utilization patterns of the Shiras Moose on the Mount Haggin Wildlife Management Area. M.Sc. Thesis. Bozeman, Montana: Montana State University. 262 p.
    • Burkholder, B.O., N.J. DeCesare, R.A. Garrot, and S.J. Boccadori. 2017. Heterogeneity and power to detect trends in Moose browse utilization of willow communities. ALCES 53:23-29.
    • Cope, M.G. 1992. Distribution, habitat selection and survival of transplanted Columbian Sharp-tailed Grouse (Tympanuchus phasianellus columbianus) in the Tobacco Valley, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
    • Dresser, M.A. 2015. Demographic responses of woodpeckers in relation to a Mountain Pine Beetle epidemic in the Elkhorn Mountains of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 71 p.
    • Enk, E.A. 1999. Population dynamics of bighorn sheep on the Beartooth Wildlife Management Area, Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 177 p.
    • Eversman, S.T. 1968. A comparison of plant communities and substrates of avalanche and non-avalanche areas in south central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 pp.
    • Fogelsong, M.L. 1974. Effects of fluorides on Peromyscus maniculatus in Glacier National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 52 p.
    • Fraas, W.W. 1992. Bitterbrush growth and reproductive character in relation to browsing in southwest Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 137 p.
    • Fultz, J.E. 2005. Effects of shelterwood management on flower-visiting insects and their floral resources. M.Sc. Thesis. Bozeman, MT: Montana State University. 163 p.
    • Grigg, J.L. 2007. Gradients of predation risk affect distribution and migration of a large herbivore. M.Sc. Thesis. Bozeman, MT: Montana State University. 94 p.
    • Gross, J.A. 1998. Elk use of various sized cattle exclosures. M.Sc. Thesis. Bozeman, MT: Montana State University. 40 p.
    • Grove, A.J. 1998. Effects of Douglas fir establishment in southwestern Montana mountain big sagebrush communities. M. Sc.Thesis. Bozeman, MT: Montana State University. 150 p.
    • Guenther, G.E. 1989. Ecological relationships of bitterbrush communities on the Mount Haggin Wildlife Management Area. M.Sc. Thesis. Bozeman, MT: Montana State University. 73 p.
    • Hoffman, T.L. 1996. An ecological investigation of mountain big sagebrush in the Gardiner Basin. M.Sc. Thesis. Bozeman, MT: Montana State University. 84 p.
    • Jensen, P.D. 2001. The foraging and nesting behavior of four solitary-nesting bee species (Hymenoptera: Megachilidae) in the Gallatin Valley, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 76 p.
    • Johnson, J.R. 1966. The effects of some environmental influences on big sagebrush, Artemisia tridentata Nutt., reinvasion. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 pp.
    • Johnson, T. W. 1982. An analysis of pack and saddle stock grazing areas in the Bob Marshall Wilderness. M.Sc.Thesis. Bozeman, MT: Montana State University. 105 p.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • 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.
    • Lovaas, A.L. 1957. Mule deer food habits and range use in the Little Belt Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 43 p.
    • Mack, J.A. 1988. Ecology of black bears on the Beartooth Face, south-central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 119 p.
    • Martin, P.R. 1973. Ecology of skunkbrush sumac (Rhus trilobata Nutt.) in Montana with special reference to use by mule deer. M.Sc. Thesis. Bozeman, MT: Montana State University. 97 p.
    • Martin, S.A. 1985. Ecology of the Rock Creek bighorn sheep herd, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 152 p.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
    • Miller, J.G. 1978. An ecoligical study of creeping juniper (Juniperus horizontalis Moench.) in Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 154 p.
    • Morton, M.A. 1976. Nutritional values of major mule deer winter forage species in the Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 105 p.
    • Mosher, B.A. 2011. Avian community response to a mountain beetle epidemic. M.Sc. Thesis. Bozeman, MT: Montana State University. 55 p.
    • Nelson, G.P. 1986. Responses of elk to a 500 kV transmission line on the North Boulder winter range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 60 p.
    • Nyberg, H.E. 1980. Distribution, movements and habitat use of mule deer associated with the Brackett Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 106 p.
    • O'Connor, K.S. 1987. Ecology of white-tailed deer and mule deer in agricultural lands in the Gallatin Valley, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
    • Pac, D.F. 1976. Distribution, movements, and habitat use during spring, summer, and fall by mule deer associated with Armstrong winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 121 p.
    • Pallister, G.L. 1974. The seasonal distribution and range use of bighorn sheep in the Beartooth Mountains, with special reference to the West Rosebud and Stillwater herds. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
    • Peck, S.V. 1972. The ecology of the Rocky Mountain goat in the Spanish Peaks area of southwestern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 54 p.
    • Picton, H.D. 1959. Use of vegetative types, migration, and hunter harvest of the Sun River elk herd, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 p.
    • Rens, E.N. 2003. Geographical analysis of the distribution and spread of invasive plants in the Gardiner Basin, MT. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 p.
    • Rosgaard, A.I., Jr. 1981. Ecology of the mule deer associated with the Brackett Creek winter range in the Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 76 p.
    • Rouse, R.A. 1957. Elk food habits range use and movements, Gravelly Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 29 p.
    • Roy, J.L. 1992. Ecology of reintroduced Rocky Mountain bighorn sheep following two transplants in the southern Madison Range, Montana. M.SC. Thesis. Bozeman, MT: Montana State University. 102 p.
    • Saunders, J.K., Jr. 1954. A two-year investigation of the food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 22 p.
    • Schleyer, B.O. 1983. Activity patterns of grizzly bears in the Yellowstone ecosystem and their reproductive behavior, predation and the use of carrion. M.Sc. Thesis. Bozeman, MT: Montana State University. 130 p.
    • Schrader, W.C. 1989. Trout mortality, movements, and habitat selection during the winter in South Willow Creek, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 89 p.
    • Semmens, W.J. 1996. Seasonal movements and habitat use of the Highlands/Pioneer Mountains bighorn sheep herd of southwest Montana. M. Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
    • Sikes, D.S. 1994. Influences of ungulate carcasses on Coleopteran communities in Yellowstone National Park, USA. M.Sc. Thesis. Bozeman, MT: Montana State University. 179 p.
    • South, P.R. 1957. Food habits and range use of the mule deer in the Scudder Creek area, Beaverhead County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 34 p.
    • Stansberry, B.J. 1991. Distribution, movements, and habitat use during spring, summer, and fall by mule deer in the North Salish Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 64 p.
    • Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
    • Steinberg, P. D. 2002. Pseudotsuga menziesii var. glauca. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.
    • Stevens, D.R. 1965. Range relationships of elk and livestock in the Crow Creek drainage, Elkhorn Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 68 p.
    • Stivers, T.S. 1988. Effects of livestock grazing on grizzly bear habitat along the east front of the Rocky Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 80 p.
    • Stoecker, R.E. 1967. A population study of five species of small rodents in the Bridger Mountains of Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 32 p.
    • Trout, R.G. 1978. Small mammal abundance and distribution in the Missouri River Breaks, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 64 p.
    • Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
    • Zimmer, J.P. 2004. Winter habitat use and diet of Snowshoe Hares in the Gardiner, Montana area. M.Sc. Thesis. Bozeman, Montana: Montana State University. 65 p.
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Douglas-fir — Pseudotsuga menziesii.  Montana Field Guide.  .  Retrieved on , from