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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Praeger, R.Ll. | 1898 | On the position of the fructification in certain British ferns and horsetails | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1902 | A rare variety of lady fern | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1902 | Maidenhair fern in north-east Galway | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1902 | Polystichum angulare var. acutilobum in Co. Cork | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1904 | Irish Field Club Union: Sligo conference. Phanerogamia and Pteridophyta | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1905 | Sligo ferns | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1905 | The parsley fern in Co. Wicklow | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | Asplenium ruta-muraria on Achill Island | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1909 | Lastrea remota in Ireland | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1909 | Rock gardens, natural and artificial | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Praeger, R.Ll. | 1910 | Irish Field Club Union: Rosapenna Conference. Phanerograms and vascular cryptograms | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1911 | Clare Island Survey: Phanerogamia and Pteridophyta | Journal | Proc. Roy. Ir. Acad. | Details... |
| Praeger, R.Ll. | 1912 | Occurrence of Asplenium septentrionale in Co. Down | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1917 | Equisetum litorale in Ireland | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1917 | Equisetum litorale | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1919 | Asplenium adiantum-nigrum var. acutum | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1919 | Asplenium adiantum-nigrum var. acutum | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1920 | Ferns in Dublin City | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1921 | Equisetum litorale Kuhlw. | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1928 | The distribution of some Irish ferns | Journal | Ir. Nat. J. | Details... |
304 references found.