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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Phillips, J. | 1990 | Excursion: Conlig | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, J.J. | 1875 | The architectural remains of the Cistercians in the County Down | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, J.J. | 1884 | Ancient uses and military defences of the Anglo-Norman donjon at Dundrum, County Down | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, W. | 1879 | Ferns and fern collecting | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, W.H. | 1901 | My hobby about ferns and its results: personal reminiscences | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Philpott, E. & Rogan, E. | 2007 | Records from the Irish Whale and Dolphin Group for 2005 | Journal | Ir. Nat. J. | Details... |
| Philpott, E., Wall, D. & Rogan, E. | 2007 | Records from the Irish Whale and Dolphin Group for 2004 | Journal | Ir. Nat. J. | Details... |
| Platts, E.A. | 1973 | Notes on some Irish intertidal nudibranchs collected off the coast of Co. Down | Journal | Ir. Nat. J. | Details... |
| Pollock, J. & Wilson, H.E. | 1961 | A new fossiliferous locality in Co. Down | Journal | Ir. Nat. J. | Details... |
| Porter, W. | 1903 | County Down plants | Journal | Ir. Nat. | Details... |
| Portig, A.A., Mathers, R.G., Montgomery, W.I. & Govier, R.M. | 1994 | The distribution and utilisation of Zostera species in Strangford Lough, Northern Ireland | Journal | Aquatic Bot. | Details... |
| Praeger, R.Ll. | 1892 | White centaury (Erythraea centaureum) | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Colour-variation in wild flowers. | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Autumn blossoming of spring flowers | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Rare plants found in the district during 1891 and 1892 | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Praeger, R.Ll. | 1897 | Exuberant growth of a bramble | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | Carduus crispus in Co. Down | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | Carex filiformis and Cladium mariscus in Co. Down | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | County Down plants | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | Post-Tertiary beds at Ballyhalbert, Co. Down | Journal | Ir. Nat. | Details... |
1178 references found.