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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Praeger, R.Ll.& Carr, J.W. | 1895 | Irish Field Club Union. Report on the conference and excursion held at Galway on July 11th to 17th 1895. Phanerogams, ferns etc. | Journal | Ir. Nat. | Details... |
| Prescott-Decie, M.E. | 1911 | New locality for Adiantum capillus-veneris | Journal | Ir. Nat. | Details... |
| Ratcliffe, D.A., Birks, H.J.B. & Birks, H.H. | 1993 | The ecology and conservation of the Killarney Fern Trichomanes speciosum Willd. in Britain and Ireland | Journal | Biol. Cons. | Details... |
| Richards, P.W. & Evans, G.B. | 1972 | Biological Flora of the British Isles no. 126. Hymenophyllum tunbrigense & H. wilsonii | Journal | J. Ecol. | Details... |
| Rippey, I. | 2001 | Adders Tongue in Co. Antrim | Email | | Details... |
| Rippey, I. & Browne, V. | 1989 | Excursion: The Fermanagh weekend: botanical | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Roberts, M.J. | 1970 | A revision of some of the taxonomic characters of Polypodium australe Fee | Journal | Watsonia | Details... |
| Roberts, R.H. & Scannell, M.J.P. | 1977 | Asplenium x ticinense DE Meyer: a hybrid fern new to the British Isles | Journal | Ir. Nat. J. | Details... |
| Rumsey, F.J., Jermy, A.C. & Sheffield, E. | 1998 | The independent gametophyte stage of Trichomanes speciosum Willd. (Hymenophyllaceae), the Killarney Fern and its distribution in the British Isles | Journal | Watsonia | Details... |
| Rumsey, F.J., Raine, C.A. & Sheffield, E. | 1992 | The reproductive capacity of 'independent' Trichomanes gametophytes | Book | | Details... |
| Rymer, L. | 1976 | The history and ethnobotany of bracken | Journal | Bot. J. Linn. Soc. | Details... |
| Sayers, W.J. | 1934 | Royal fern in Sluggan Bog, Co. Antrim and skullcap in Co. Down | Journal | Ir. Nat. J. | Details... |
| Scannell, M.J.P. | 1977 | Polystichum x lonchitiforme (Halacsy) Becherer in Ireland | Journal | Ir. Nat. J. | Details... |
| Scannell, M.J.P. | 1978 | Asplenium cuneifolium Viv. in West Galway, Ireland | Journal | Ir. Nat. J. | Details... |
| Scannell, M.J.P. | 1984 | Asplenium x ticinense D.E. Meyer in west Cork and Kilkenny | Journal | Ir. Nat. J. | Details... |
| Scannell, M.J.P. & White, J. | 1976 | Cryptogramma crispa in West Galway | Journal | Ir. Nat. J. | Details... |
| Scoggan, H.J. | 1978 | The flora of Canada Part 2. Pteridophyta, Gymnospermae & Monocotyledoneae | Book | | Details... |
| Smith, R.T. & Taylor, J.A. (eds) | 1986 | Proceedings of the International Conference Bracken 1985: Bracken: ecology, land use and control technology | Book | | Details... |
| Smith, R.T. & Taylor, J.A. (eds) | 1995 | Proceedings of the Bracken Conference at Aberystwyth 1994: Bracken: an environmental issue. | Book | | Details... |
| Smith, R.W. | 1860 | Discussion on Foot's paper on Clare ferns: localities | Journal | Proc. Dubl. Nat. Hist. Soc. | Details... |
270 references found.