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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Lycopodium clavatum L. in Co. Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Eleocharis acicularis Sm. | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Strawberries in November | 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. | 1893 | The flora of county Armagh (reprinted from The Irish Naturalist, 1893) | Book | | Details... |
| Praeger, R.Ll. | 1895 | Irish Characeae - a correction | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1896 | Mercurialis perennis in Co. Monaghan | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | The botany of a railway journey | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1898 | Geranium praetense in Co. Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1899 | Notes on 'Cybele Hibernica' | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1900 | Flora of Co. Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1904 | Additions to 'Irish Topographical Botany' in 1903 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | Additions to 'Irish Topographical Botany' | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Additions to 'Irish Topographical Botany' in 1908-1912 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Spiranthes romanzoffiana in Co. Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1918 | Spiranthes romanzoffiana | Journal | Ir. Nat. | Details... |
| Reynolds, D.L. | 1937 | Contact phenomena indicating a Tertiary age for the gabbros of the Slieve Gullion district | Journal | Proc. Geol. Assoc. Lond. | Details... |
279 references found.