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1. |
Clapham AR Tutin TG Warburg EF,1962 | |
| Flora of the British Isles Second Edition |
|
5. |
Mabey R,1972 | |
| Food for Free |
|
6. |
Mitchell,1974 | |
| A Field Guide to Trees of Britain and Northern Europe |
|
10. |
Tutin T.G Heywood V.H etc,1968 | |
| Flora Europaea Vol 2 |
|
11. |
Polunin,O.,1976 | |
| Trees and Bushes of Britain and Europe, Oxford. |
|
13. |
Rose,F.,1981 | |
| The Wild Flower Key, Warne. |
|
14. |
Stace,C.A.,1991 | |
| A New Flora of the British Isles, Cambridge. |
