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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Hackney, P. | 2004 | Reviews: 'Ireland's wild orchids' by S. Sex & B. Sayers; 'Iconography of Italian orchids' by A.E. Maury & W. Rossi | Journal | Ir. Nat. J. | Details... |
| Hackney, P. | 2006 | Review: 'Wild flowers by colour' by M. Blamey | Journal | Ir. Nat. J. | Details... |
| Hackney, P. | 2007 | Review: 'Orchids of Europe, North Africa and the Middle East (3rd edition) by P. Delforge | Journal | Ir. Nat. J. | Details... |
| Hackney, P. | 2007 | Obituary: Raymond Piper (1923-2007) | Journal | Ir. Nat. J. | Details... |
| Hackney, P. | 2007 | Review: 'The liverworts, mosses and ferns of Europe' by W. Frey, J.-P. Frahm, E. Fischer & W. Lobin | Journal | Ir. Nat. J. | Details... |
| Hackney, P. & Hackney, C.R. | 1987 | A Rosa pimpinellifolia L. x R. canina agg. hybrid in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Hackney, P. & Hackney, C.R. | 1988 | Crataegus laevigata (Poir) DC in Ireland - further studies | Journal | Ir. Nat. J. | Details... |
| Hackney, P. & Morton, O. | 1970 | Botany Department 'Data Bank': MS reports, notes and field cards | Manuscript | | Details... |
| Hackney, P. & Synnott, D.M. | 1982 | Records of Polypodium hybrids from Ireland | Journal | Ir. Nat. J. | Details... |
| Hackney, P., James, K.W. & Ross, H.C.G. | 1983 | A list of the photographs in the R.J. Welch collection in the Ulster Museum. Volume 2: Botany, Geology and Zoology | Book | | Details... |
| Hackney, P., Maitland, F. & Picton, B.E. | 2002 | Northern Ireland Flora Website, CEDaR, Ulster Museum, Belfast. | Internet | | Details... |
| Hadfield, M. | 1957 | British trees: a guide for everyman | Book | | Details... |
| Hadfield, M. | 1969 | A history of British gardening | Book | | Details... |
| Haeck, J., Tongeren, O. van & Maarel, E. van der. | 1985 | Phytosociological amplitudes of some Dutch coastal species and their ecological interpretation | Journal | Vegetation | Details... |
| Hagerup, O. | 1950 | Rain pollination | Journal | K. Dan. Vidensk. Selsk. Biol. Medd. | Details... |
| Hagerup, O. | 1954 | Autogamy in some drooping bicornes flowers | Journal | Bot. Tidsskr. | Details... |
| Haggar, R.J. | 1980 | Survey of the incidence of docks (Rumex spp.) in grassland in 10 districts in the UK in 1972 | Journal | A.D.A.S. Quarterly Rev. | Details... |
| Haigh, A. & Lawton, C. | 2007 | Wild mammals of an Irish urban forest | Journal | Ir. Nat. J. | Details... |
| Halbert, J.N. | 1920 | The Acarina of the seashore | Journal | Proc. Roy. Ir. Acad. | Details... |
| Halbert, J.N. | 1936 | Elatine hexandra in Wexford | Journal | Ir. Nat. J. | Details... |
5058 references found.