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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Nunn, J.D. | 1999 | Survey of the John McSparran Hill Farm, Glendun, Co. Antrim: Saturday 1 August | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| O'Dare, A.M. | 1989 | Lichen survey of Murlough Bay and Fair Head, Ballycastle, Co. Antrim, N.I. | Report | | Details... |
| O'Dare, A.M. | 1990 | Florence Court, Co. Fermanagh, Northern Ireland Lichen Survey | Unpublished | | Details... |
| O'Dare, A.M. | 1990 | Marble Arch NNR and Crossmurrin NNR, Co. Fermanagh, Northern Ireland Lichen Survey | Report | | Details... |
| O'Dare, A.M. | 1990 | Correll Glen NNR, Derrygonnelly, Co. Fermanagh, Northern Ireland Lichen Survey | Report | | Details... |
| O'Sullivan, A.M. & Mitchell, M.E. | 1974 | An unusual lichen habitat | Journal | Ir. Nat. J. | Details... |
| Pim, G. | 1878 | The lichens of the counties of Dublin and Wicklow | Journal | Sci. Proc. R. D. S. | Details... |
| Porter, L. | 1922 | Lichens on Veronica traversii | Journal | Ir. Nat. | Details... |
| Porter, L. | 1936 | Some lichen records | Journal | Ir. Nat. J. | Details... |
| Porter, L. | 1948 | The lichens of Ireland (supplement) | Journal | Proc. Roy. Ir. Acad. | Details... |
| Porter, L. | 1951 | Additions to Irish lichen records | Journal | Ir. Nat. J. | Details... |
| Porter, L. | 1952 | Notes on Irish lichens | Journal | Ir. Nat. J. | Details... |
| Porter, L. | 1955 | Lichen-hunting in Wexford and Carlow | Journal | Ir. Nat. J. | Details... |
| Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. & Moore, D.M. | 1992 | The lichen flora of Great Britain and Ireland | Book | | Details... |
| Rambold, G. & Triebel, D. | 1990 | Geltinopsis, Geltingia and Phaeopyxis: three helotialean genera with lichenicolous species | Journal | Notes Roy. Bot. Gardens Edin. | Details... |
| Rinklow, R. | 1972 | MS lichen records and field cards 1972-73 | Manuscript | | Details... |
| Roberts, D. | 1993 | Review: 'Pollution monitoring with lichens' by D.H.S. Richardson | Journal | Ir. Nat. J. | Details... |
| Russell, B.W. | 1997 | Excursion: Marble Arch Caves | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Scannell, M.J.P. | 1977 | Milesia magnusiana (Jaap.) Faull., further records in mid Cork | Journal | Ir. Nat. J. | Details... |
| Scannell, M.J.P. | 1978 | Sticta dufourei Del., new to north Tipperary | Journal | Ir. Nat. J. | Details... |
120 references found.