Pinus albicaulis Engelm., Trans. Acad. Sci. St. Louis 2: 209 1863. (syn: Apinus albicaulis (Engelm.) Rydb.; Pinus cembroides Newb.; Pinus flexilis subsp. albicaulis (Engelm.) Engelm.; Pinus flexilis var. albicaulis (Engelm.) Engelm.; Pinus shasta Carrière);
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W. Canada to W. U.S.A.: Alberta, British Columbia, California, Idaho, Montana, Nevada, Oregon, Washington, Wyoming as per POWO;
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Pinus albicaulis from California-GS2602202
3 images.
Pinus albicaulis Engelm.
White Bark Pine
Tree Native of USA and Canada, with white bark, needles in clusters of five with persistent sheath at base; female cone dark purple, 5-7 cm long.
Photographed from South Tahoe lake area near Gandola, California, 4-8-2017.
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References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI Wikipedia
https://www.conifers.org/pi/Pinus_albicaulis.php
https://www.calflora.org/app/taxon?crn=6503
https://conifersociety.org/conifers/pinus-albicaulis/
https://www.fs.fed.us/database/feis/plants/tree/pinalb/all.html