300 dpi: (d2962-1.jpg)
640 pixels wide: (d2962-1.jpg)
 Image Number D2962-1 |
A loblolly pine with sporulating cankers on its branches and a small one on the main trunk, caused by the fusiform rust fungal pathogen, Cronartium quercuum f.sp. fusiforme.
Photo by Brett Runion.
