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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Waddell, C.H. | 1903 | Jungermannia capitata Hook in Co. Down | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1903 | Thuidium delicatulum in Co. Down | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1905 | Glyceria festucaeformis at Portaferry | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1905 | Thuidium delicatulum Mitt. in Co. Dublin | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1907 | Hieracium serratifrons, var. cinderella in Ireland | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1909 | On some Irish hawkweeds | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1912 | Some county Down plants | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1915 | Nasturtium sylvestre in Co. Down | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1917 | Rare plants of the Co. Down coast | Journal | Ir. Nat. | Details... |
| Waddell, C.H. | 1917 | Pterogonium gracile Swartz in Co. Down | Journal | Ir. Nat. | Details... |
| Walkington, | 1904 | The district between Newtownards and Knock | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Watson Botanical Exchange Club | 1890 | Reports | Report | | Details... |
| Watson, P.S. | 1963 | Buff breasted sandpiper at Kinnegar, Co. Down, autumn, 1962 | Journal | Ir. Nat. J. | Details... |
| Watts, C.W. | 1892 | Lepidoptera in the Mourne District | Journal | Ent. Monthly Mag. | Details... |
| Wear, S. (ed.) | 1923 | Second supplement to the Flora of north-east Ireland | Book | | Details... |
| Welch, R.J. | 1898 | Hydrobia jenkinsi Smith in Co. Down. | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1899 | Large colony of Vertigo antivertigo Drap. in Co. Down | Journal | J. Conch. (Lond.) | Details... |
| Welch, R.J. | 1902 | Mollusca from shell-marl, Clonbrock, Co. Galway and Portaferry, Co. Down | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1904 | Rare woodlice from Co. Dublin and Co. Down | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1906 | Buccinum and Patella Kjokken-modding at Cranfield, Co. Down | Journal | Ir. Nat. | Details... |
1178 references found.