Literature references
1 literature reference for Pinus ponderosa Douglas ex C. Lawson:
| Author: | Douglas ex C. Lawson |
|---|---|
| Year: | 1836 |
| Title: | – |
| Source: | In: Agric. Man.: 354. 1836. |
1 literature reference for Pinus ponderosa Douglas ex C. Lawson:
| Author: | Douglas ex C. Lawson |
|---|---|
| Year: | 1836 |
| Title: | – |
| Source: | In: Agric. Man.: 354. 1836. |