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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Phillips, J.St.J. & Patterson, R. | 1904 | Annual Report of the BNFC for the year ending 31st March 1902 | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, R.A. | 1893 | Valvata cristata in Co. Cork | Journal | Ir. Nat. | Details... |
| Phillips, R.A. | 1900 | Hydrobia jenkinsi, Smith in south-east Ireland | Journal | Ir. Nat. | Details... |
| Phillips, R.A. | 1908 | The crayfish in the Shannon | Journal | Ir. Nat. | Details... |
| Phillips, R.A. | 1909 | Limnaea involuta in Co. Cork | Journal | Ir. Nat. | Details... |
| Phillips, R.A. | 1909 | Paludestrina confusa in Kilkenny and Clare | Journal | Ir. Nat. | Details... |
| Phillips, R.A. & Stelfox, A.W. | 1918 | Recent extensions of the range of Pisidium hibernicum | Journal | Ir. Nat. | Details... |
| Popple, E. | 1912 | Some Irish Entomostraca | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Eleocharis acicularis Sm. | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1903 | Review: 'A contribution to the freshwater algae of the north of Ireland' by W. West & G.S. West | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1905 | Plants of the Cavan lakes | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | The calcareous deposit in Lough Carra | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1909 | On some Irish hawkweed and pondweed records | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Irish water plants | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1917 | Aquatic fungi | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1927 | British pearls | Journal | Ir. Nat. J. | Details... |
| Praeger, R.Ll. | 1938 | Planorbis corneus on Lough Neagh | Journal | Ir. Nat. J. | Details... |
| Preston, C.D. | 1993 | Irish pondweeds. IV. Potamogeton x lanceolatus Smith | Journal | Ir. Nat. J. | Details... |
| Preston, C.D. | 1995 | Pondweeds of Great Britain and Ireland | Book | | Details... |
| Preston, C.D. & Croft, J.M. | 1997 | Aquatic plants in Britain and Ireland | Book | | Details... |
956 references found.