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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Stewart, S.A. | 1869 | A visit to Dungiven and the Sperrin Mountains | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Stewart, S.A. | 1899 | Poa nemoralis, P. compressa, Callitriche obtusangula in the north of Ireland | Journal | Ir. Nat. | Details... |
| Stewart, S.A. | 1902 | A botanical coronation fete | Journal | Ir. Nat. | Details... |
| Stranock, S.D. | 1979 | Occurrence of the gill parasite Diplozoon paradoxum Nordmann (Trematoda: Monogenea) on fish from the Fairywater, Co. Tyrone, Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Tomlinson, W.J.C. | 1906 | Some recent records in our local flora | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Tunnicliff, S.P. | 1982 | A revision of late Ordovician bivalves from Pomeroy, Co. Tyrone, Ireland | Journal | Palaeont. | Details... |
| Ulster Wildlife Trust | Unknown | Blessingbourne Nature Reserve files | Unpublished | | Details... |
| Ulster Wildlife Trust | Unknown | Cottage Farm Nature Reserve files | Unpublished | | Details... |
| Ussher, R.J. | 1894 | Redstart (Ruticilla phoenicurus), breeding in Co. Tyrone | Journal | Ir. Nat. | Details... |
| Vowell, R.P. & Barrington, R.M. | 1903 | Rubus chamaemorus again observed | Journal | Ir. Nat. | Details... |
| Watson, S. | 2000 | Excursion: Eskers in Co. Tyrone | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Wear, S. | 1918 | Cardamine amara in East Tyrone | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1928 | Clausilia laminata at Castlecaldwell | Journal | Ir. Nat. J. | Details... |
| Weyl, R. | 2000 | Plant Atlas comments on draft maps and text accounts | Unpublished | | Details... |
| Wilde, J. | 1990 | Excursion: Joint meeting with BSBI to West Tyrone | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Williams, E. | 1903 | Rough-legged buzzard in Tyrone | Journal | Ir. Nat. | Details... |
| Wistow, S. & Ashe, P. | 1997 | A first record of Bryonia dioica Jacquin (Cucurbitaceae) from Co. Tyrone, Ireland | Journal | Bull. Ir. biogeog. Soc. | Details... |
| Workman, W.H. | 1917 | Bittern in Co. Tyrone | Journal | Ir. Nat. | Details... |
| Workman, W.H. | 1939 | Jays in County Tyrone | Journal | Ir. Nat. J. | Details... |
279 references found.