Literature references
3 literature references:
| Author: | Stace,C. |
|---|---|
| Year: | 1991 |
| Title: | – |
| Source: | New Flora of the British Isles.Cambridge Univ.Press |
| Author: | Webb,C.J. et al. |
|---|---|
| Year: | 1988 |
| Title: | – |
| Source: | Flora of New Zealand Vol IV |
| Author: | Townsend, C.C. & Guest, E. |
|---|---|
| Year: | 1974 |
| Title: | – |
| Source: | Flora of Iraq. Vol.3. Baghdad. |