Literature references
2 literature references:
| Author: | Eckenwalder, J. |
|---|---|
| Year: | 2009 |
| Title: | Conifers of the world |
| Source: | Timber Press, Portland, Oregon |
| Author: | Grandtner, M.M. |
|---|---|
| Year: | 2005 |
| Title: | Elsevier's dictionary of trees |
| Source: | Elsevier, Amsterdam |