Literature references
3 literature references:
| Author: | Stace,C. |
|---|---|
| Year: | 1991 |
| Title: | – |
| Source: | New Flora of the British Isles.Cambridge Univ.Press |
| Author: | Cheffings,C. |
|---|---|
| Year: | 2004 |
| Title: | – |
| Source: | New Plt. Status Lists for G.B. BSBI News 95: 36-43. |
| Author: | Polunin,O. |
|---|---|
| Year: | 1969 |
| Title: | – |
| Source: | Flowers of Europe. O.U.P. |