Pinus contorta Douglas ex Loudon, Arbor. Frutic. Brit. 4: 2292 1838. (syn: Pinus bolanderi Parl.; Pinus contorta subsp. bolanderi (Parl.) Critchf.; Pinus contorta var. bolanderi (Parl.) Koehne; Pinus inops Bong.);
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Subarctic America to Mexico (N. Baja California): Alaska, Alberta, British Columbia, California, Colorado, Idaho, Mexico Northwest, Montana, Nevada, Northwest Territorie, Oregon, Saskatchewan, South Dakota, Utah, Washington, Wyoming, Yukon; Introduced into: Czechoslovakia, Denmark, Finland, Germany, Great Britain, Iceland, Ireland, Italy, New South Wales, Norway, Romania, Sweden as per POWO;
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Pinus contorta from California-GS2602202
Pinus contorta Douglas
Common names: Lodgepole pine, Twisted pine
Tree from Western North America with two needles per cluster and 3-7 cm long female cones with prickles on scales. Photographed from Tahoe, California, 7-8-2017.
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References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI Wikipedia
https://www.nzpcn.org.nz/flora/species/pinus-contorta/
https://calscape.org/Pinus-contorta-()
http://biology.burke.washington.edu/Taxon=Pinus%20contorta
https://conifersociety.org/conifers/pinus-contorta/
https://landscapeplants.oregonstate.edu/plants/pinus-contorta-var-contorta
https://www.cabi.org/isc/datasheet/41577
https://www.conifers.org/pi/Pinus_contorta.php
https://plants.ces.ncsu.edu/plants/pinus-contorta-var-latifolia/