File:Whitebark pine, Pinus albicaulis (49417917848).jpg
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| Description |
whitebark pine, Pinus albicaulis, Nevada, Carson Range, Sierra Nevada, Mount Rose, Bronco Creek - Truckee River watershed, elevation 3133 m (10280 ft). This western North American endemic is currently a candidate for Endangered Species listing, because of widespread declines and mortality from white pine blister rust and pine beetles. Most of the mortality has been in the main part of its range in the northern Rocky Mountains, with smaller amounts here near the southern end of its range. Whitebark pine is unique among North American white pines in having cones that remain closed until torn apart by animals, or falling apart on their own. The animals (mostly Clark's Nutcracker and various small mammals) are very efficient at this, and if you aren't there while cones are still on the tree, often all you find is a litter of disarticulated cones scales on the ground. The species depends almost entirely on Clark's Nutcracker to disperse its seeds. Vegetatively the species is virtually identical to limber pine (Pinus flexilis), which causes ID problems where they grow together, unless cones are present. |
| Date | |
| Source | whitebark pine, Pinus albicaulis |
| Author | Jim Morefield from Nevada, USA |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by Jim Morefield at https://flickr.com/photos/127605180@N04/49417917848. It was reviewed on 26 July 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 02:16, 26 July 2021 | | 3,648 × 2,736 (8.01 MB) | Orizan (talk | contribs) | Transferred from Flickr via #flickr2commons |
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