Browse by date
| Title/Description | Location |
Date |
|---|---|---|
| Ironwood, annuals on pave | United States, Arizona | 1921-05-26 |
| C.F. Marbut | United States, Arizona | 1921-05-26 |
| Desert pave, Covillea, Gaertneria | United States, Arizona | 1921-05-26 |
| Desert pave, no vegetation | United States, Arizona | 1921-05-25 |
| Same desert type, pave, no vegetation | United States, Arizona | 1921-05-25 |