| Penstemon cobaea Wild foxglove View 65 images |  |
| Penstemon jamesii James's beardtongue View 0 images | |
| Penstemon pseudospectabilis Desert penstemon View 12 images |  |
| Penstemon strictus Rocky mountain penstemon View 12 images |  |
| Penstemon thurberi Sand penstemon View 0 images | |
| Phlox nana Santa fe phlox View 3 images |  |
| Pinus edulis Colorado pinyon pine View 8 images |  |
| Pinus ponderosa Ponderosa pine View 8 images |  |
| Platanus wrightii Arizona sycamore View 0 images | |
| Populus fremontii Fremont cottonwood View 1 images |  |
