| Rhus trilobata Skunkbush sumac View 0 images | |
| Ribes aureum Golden currant View 3 images |  |
| Robinia neomexicana New mexico locust View 3 images |  |
| Rudbeckia hirta Black-eyed susan View 63 images |  |
| Salvia greggii Autumn sage View 28 images |  |
| Sapindus saponaria var. drummondii Western soapberry View 40 images |  |
| Schizachyrium scoparium Little bluestem View 37 images |  |
| Sporobolus airoides Alkali sacaton View 2 images |  |
| Sphaeralcea coccinea Scarlet globemallow View 15 images |  |
| Sporobolus cryptandrus Sand dropseed View 3 images |  |
