Sykurfura
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Tvínefni | ||||||||||||||||
Pinus lambertiana Douglas | ||||||||||||||||
![]() Natural range of Pinus lambertiana
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Bark of a sugar pine on Mount San Antonio

Old sugar pines in the Rogue River – Siskiyou National Forest, southern Oregon
Sykurfura (fræðiheiti Pinus lambertiana) er hávaxnasta og gildvaxnasta furutegundin, og hefur lengstan köngul allra barrtrjáa. Fræðiheitið lambertiana var gefið af Breska grasafræðingnum David Douglas, sem nefndi tegundina til heiðurs enska grasafræðingnum, Aylmer Bourke Lambert. Hún er ættuð frá fjöllum Kyrrahafsstrandar Norður-Ameríku, frá Oregon gegn um Kaliforníu til Baja California.
Tilvísanir[breyta | breyta frumkóða]
Viðbótarlesning[breyta | breyta frumkóða]
- Chase, J. Smeaton (1911). Cone-bearing Trees of the California Mountains. Chicago: A. C. McClurg & Co. bls. 99. LCCN 11004975. OCLC 3477527. Snið:LCC, with illustrations by Carl Eytel - Kurut, Gary F. (2009), "Carl Eytel: Southern California Desert Artist", California State Library Foundation, Bulletin No. 95, pp. 17-20 retrieved November 13, 2011
- Muir, J. (1911). My First Summer in the Sierra.
- Kinloch Jr., Bohun B.; Scheuner, William H. (1990). "Pinus lambertiana". In Burns, Russell M.; Honkala, Barbara H. Conifers. Silvics of North America. Washington, D.C.: United States Forest Service (USFS), United States Department of Agriculture (USDA). 1 – via Southern Research Station (www.srs.fs.fed.us).
- Habeck, R. J. (1992). "Pinus lambertiana". Fire Effects Information System (FEIS). US Department of Agriculture (USDA), Forest Service (USFS), Rocky Mountain Research Station, Fire Sciences Laboratory – via https://www.feis-crs.org/feis/.
Tenglar[breyta | breyta frumkóða]
- U.C. Jepson Manual treatment for Pinus lambertiana
- US Forest Service—Dorena Genetic Resource Center — (USFS rust resistance program)
- The Sugar Pine Foundation — The Sugar Pine and Western White Pine Restoration Program
- Pinus lambertiana in the CalPhotos Photo Database, University of California, Berkeley
- Pinus lambertiana[óvirkur hlekkur] Rauði listi IUCN yfir tegundir í hættu. IUCN 2006
- Arboretum de Villardebelle: photo of a cone