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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Praeger, R.Ll. | 1905 | Dryas octopetala on Muckish | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | Euphrasia foulaensis in Ireland | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | Additions to 'Irish Topographical Botany' | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1908 | Ranunculus lingua - an erroneous record | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1909 | Sisyrinchium angustifolium in Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1910 | Erica mackaii (?) in Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1910 | Irish Field Club Union: Report of the sixth triennial conference and excursion held at Rosapenna, July 8th to 13th, 1910. General account | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1910 | Irish Field Club Union: Rosapenna Conference. Phanerograms and vascular cryptograms | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1912 | Morchella conica in Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Additions to 'Irish Topographical Botany' in 1908-1912 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Helvella crispa in Co. Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1915 | The bee orchis in Co. Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1917 | Naias flexilis in Donegal | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1929 | Sisyrinchium angustifolium in Donegal | Journal | Ir. Nat. J. | Details... |
| Praeger, R.Ll. | 1932 | On the flora of Arranmore, Co. Donegal | Journal | Ir. Nat. J. | Details... |
| Praeger, R.Ll. | 1946 | Wild life in Donegal | Journal | Ir. Nat. J. | Details... |
| Praeger, R.Ll. | 1952 | Carex punctata in Donegal | Journal | Ir. Nat. J. | Details... |
| Preston, C.D. & Stewart, N.F. | 1992 | Irish pondweeds. III. Potamogeton x griffithii A. Benn in Co. Donegal, new to Ireland | Journal | Ir. Nat. J. | Details... |
| Preston, C.D. & Stewart, N.F. | 1994 | Irish pondweeds. V. Potomogeton x suecicus K. Richter in Co. Donegal, new to Ireland | Journal | Ir. Nat. J. | Details... |
| Preston, J. | 1967 | The blind rock dyke, Co. Donegal | Journal | Ir. Nat. J. | Details... |
453 references found.