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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Page, C.N. | 1997 | The ferns of Britain and Ireland | Book | | Details... |
| Page, C.N. & Barker, M.A. | 1985 | Ecology and geography of hybridization in British and Irish horsetails | Journal | Proc. Roy. Soc. Edinb. | Details... |
| Palmer, D. | 1978 | Review: 'The naturalist in Britain' by D.E. Allen | Journal | Ir. Nat. J. | Details... |
| Panigrahi, G. | 1955 | Caltha in the British Flora | Chapter | | Details... |
| Parke, M. & Dixon, P.S. | 1964 | A revised checklist of British algae | Journal | J. Mar. Biol. Assoc. UK | Details... |
| Parke, M. & Dixon, P.S. | 1976 | Check-list of British marine algae - third revision | Journal | J. Mar. Biol. Assoc. UK | Details... |
| Parker, H.W., Leutscher, A., Smith, M.A., Knight, M., Bellairs, A., Romer, J.D. & Lester, J.W. | 1947 | A British Herpetological Society | Journal | Ir. Nat. J. | Details... |
| Parnell, J. | 1998 | Review:: 'Dandelions of Great Britain and Ireland' by A. Dudman and A.J. Richards | Journal | Ir. Nat. J. | Details... |
| Parsons, M.S. | 1993 | A review of the scarce and threatened pyralid moths of Great Britain | Book | | Details... |
| Parsons, M.S. | 1995 | A review of the scarce and threatened ethmiine, stathmopodine and gelechiid moths of Great Britain | Book | | Details... |
| Paton, J.A. | 1992 | Telaranea longii sp. nov. in Britain, and a comparison with T. murphyae | Published | | Details... |
| Patterson, R. | 1907 | Review: 'The aquatic birds of Great Britain & Ireland' by C.J. Patten | Journal | Ir. Nat. | Details... |
| Pearman, D.A. & Preston, C.D. | 1994 | Scarce plants in Britain | Book | | Details... |
| Pegler, D.N., Laessoe, T. & Spooner, B.M. | 1995 | British puffballs, earthstars and stinkhorns | Book | | Details... |
| Pegler, D.N., Roberts, P.J. & Spooner, B.M. | 1997 | British chanterelles and tooth Fungi | Book | | Details... |
| Pegler, D.N., Spooner, B.M. & Young, T.W.K. | 1992 | British truffles: a revision of the British Hypogeous Fungi | Book | | Details... |
| Perkins, J.F. | 1941 | A synopsis of the British Pimplini with notes on the synonymy of the European species (Hymenoptera: Ichneumonidae) | Journal | Trans. Roy. Ent. Soc. Lond. | Details... |
| Perkins, J.F. | 1953 | Notes on British Ichneumoninae with descriptions of new species | Journal | Bull. Brit. Mus. Ent. | Details... |
| Perkins, R.C.L. | 1919 | The British species of Andrena and Nomada | Journal | Trans. Roy. Ent. Soc. Lond. | Details... |
| Perring, F.H. (ed.) | 1978 | Critical supplement to the atlas of the British Flora | Book | | Details... |
922 references found.