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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Cochrane, J.C. | 1989 | Excursion: Boyne Valley | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Condon, F. & Jarvis, P.J. | 1989 | Trees and shrubs in the hedgrows of Knock, Co. Mayo, Western Ireland | Journal | Ir. Nat. J. | Details... |
| Crawford, R.M.M. | 1989 | Studies in plant survival | Book | | Details... |
| Dinneen, P. | 1989 | Water quality in Cork Harbour: status report | Report | | Details... |
| Environmental Research Unit | 1989 | Cork Harbour water quality. A summary and assessment of the present position | Report | | Details... |
| Ernst, W.H.O. | 1989 | Selection of winter and summer annual life forms in populations of Senecio sylvaticus L. | Journal | Flora | Details... |
| Farmer, A.M. | 1989 | Biological Flora of the British Isles no. 165. Lobelia dortmanna L. | Journal | J. Ecol. | Details... |
| Forbes, R.S. | 1989 | The population behaviour of pyramidal bugle Ajuga pyramidalis L. in the Burren, Co. Clare | Journal | Ir. Nat. J. | Details... |
| Foster, L. | 1989 | The biology and non-chemical control of dock species Rumex obtusifolius and R. crispus | Journal | Biol. Agric. Hortic. | Details... |
| Gilbert, O. | 1989 | The ecology of urban habitats | Book | | Details... |
| Grey-Wilson, C. (ed) | 1989 | A manual of alpine and rock garden plants | Book | | Details... |
| Guo, Y.-H. & Cook, C.D.K. | 1989 | Pollination efficiency of Potamogeton pectinatus L. | Journal | Aquatic Bot. | Details... |
| Hackney, C.R. | 1989 | Laburnum alpinum (Miller) Berchtold & J. Presl. as a hedging plant in Cos. Londonderry and Tyrone | Journal | Ir. Nat. J. | Details... |
| Hartmann, T., Ehmke, A., Eilert, U., von Borstel, K. & Theuring, C. | 1989 | Sites of synthesis, translocation and accumulation of pyrrolizidine alkaloid N-oxides in Senecio vulgaris L. | Journal | Planta | Details... |
| Jackson, M. | 1989 | Observations on the Irish distribution of a plant with serious public health implications: giant hogweed (Heracleum mantegazzianum Somier and Leview) | Journal | Bull. Ir. biogeog. Soc. | Details... |
| Jalas, J. & Suominen, J. (eds) | 1989 | Atlas Florae Europaeae 8: Nymphaeaceae to Ranunculaceae | Book | | Details... |
| Killeen, I.J. & Light, J. | 1989 | Marine recording on the Burren | Journal | Conch. Newsletter | Details... |
| Landolt, E. & Urbanska, K.M. | 1989 | Our alpine Flora (first English edition, translated from the 5th German edition, entirely revised) | Book | | Details... |
| Lang, D. | 1989 | Wild orchids of Britain and Europe | Book | | Details... |
| Leach, S.J. | 1989 | Halimione portulacoides (L.) Allen in Co. Down | Journal | Ir. Nat. J. | Details... |
5058 references found.