| Publication Type: | Book Chapter |
| Year of Publication: | 1980 |
| Authors: | Heywood, VH |
| Editor: | Tutin, TG, Heywood, VH, Burges, NA, Moore, DM, Valentine, DH, Walters, SM, Webb, DA |
| Book Title: | Flora Europaea |
| Volume: | 5 |
| Pagination: | 43-44 |
| Publisher: | Cambridge University Press |
| URL: | http://www.cambridge.org/gb/knowledge/isbn/item5706985/Flora%20Europaea/?site_locale=en_GB |