Photos
Diseased whitebark pine at Crater Lake
| Title: | Diseased whitebark pine at Crater Lake |
|---|---|
| Description: | Diseased whitebark pine (Pinus albicaulis) along the west rim of Crater Lake National Park, Oregon. Note the multiple cankers from Cronartium ribicola, cause of white pine blister rust |
| Photographer: | Richard Sniezko |
