| Carex diandra | IE, VCH25 Co. Roscommon, Lough Forbes | Irish Biogeographical Society | | 16/7/1978 | GALW |
| Carex diandra | IE, VCH25 Co. Roscommon, Lough Forbes | Irish Biogeographical Society | | 16/7/1978 | GALW |
| Carex diandra | IE, VCH27 West Mayo, Bellacorick | John Robert Akeroyd Noel Henry McGough Thomas Gerard Francis Curtis | Irish Biogeographical Society | 27/6/1979 | GALW |
| Carex distans | IE, VCH20 Co. Wicklow, Ardmore Point | Irish Biogeographical Society | | 7/1978 | GALW |
| Carex distans | IE, VCH20 Co. Wicklow, Ardmore Point | Thomas Gerard Francis Curtis | Irish Biogeographical Society | 29/7/1978 | GALW |
| Carex distans | IE, VCH27 West Mayo, Leam Lough | Noel Henry McGough Thomas Gerard Francis Curtis | Irish Biogeographical Society | 7/9/1979 | GALW |
| Carex disticha | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | | 6/8/1978 | GALW |
| Carex elata | IE, VCH20 Co. Wicklow, Lough Ouler | Micheline Joan Sheehy Skeffington | Irish Biogeographical Society | 8/1978 | GALW |
| Carex hostiana x viridula = C. x fulva | IE, VCH9 Co. Clare, Mullagh More | Peter Sherlock Wyse Jackson | Irish Biogeographical Society Trinity College, Dublin | 19/6/1979 | GALW |
| Carex hostiana x viridula = C. x fulva | IE, VCH9 Co. Clare, Mullagh More | Peter Sherlock Wyse Jackson | Irish Biogeographical Society Trinity College, Dublin | 19/6/1979 | GALW |
| Carex nigra | IE, VCH9 Co. Clare | Peter Hamilton Carvill | Irish Biogeographical Society | 6/1973 | GALW |
| Carex otrubae | IE, VCH12 Co. Wexford, Rosslare Strand | Thomas Gerard Francis Curtis | Irish Biogeographical Society | 21/6/1979 | GALW |
| Carex otrubae | IE, VCH12 Co. Wexford, Rosslare Strand | Thomas Gerard Francis Curtis | Irish Biogeographical Society | 21/6/1979 | GALW |
| Carex otrubae | IE, VCH20 Co. Wicklow, Ardmore Point | Irish Biogeographical Society | | 29/7/1978 | GALW |
| Carex otrubae | IE, VCH21 Co. Dublin, Killiney | Peter Hamilton Carvill | Irish Biogeographical Society | 7/1975 | GALW |
| Carex ovalis | IE, VCH9 Co. Clare | Peter Hamilton Carvill | Irish Biogeographical Society | 6/1973 | GALW |
| Carex ovalis | IE, VCH21 Co. Dublin, Kilgobbin | Peter Hamilton Carvill | Irish Biogeographical Society | 7/1973 | GALW |
| Carex ovalis | IE, VCH23 Westmeath, Scragh Bog | Irish Biogeographical Society | Irish Biogeographical Society | 16/7/1978 | GALW |
| Cerastium fontanum | IE, VCH17 North-east Galway, Fisheries Field | Irish Biogeographical Society Irish Wildlife Federation | | 28/4/1984 | GALW |
| Cerastium fontanum | IE, VCH20 Co. Wicklow, Kilcoole | Peter Sherlock Wyse Jackson | Irish Biogeographical Society | 16/5/1979 | GALW |
| Circaea lutetiana | IE, VCH21 Co. Dublin, Kilgobbin | Peter Hamilton Carvill | Irish Biogeographical Society | 7/1973 | GALW |
| Circaea lutetiana | IE, VCH21 Co. Dublin, Murphystown | Peter Hamilton Carvill | Irish Biogeographical Society | 8/1975 | GALW |
| Coronopus didymus | IE, VCH16 West Galway, Spiddal | Declan Doogue | Irish Biogeographical Society | 8/1969 | GALW |
| Coronopus didymus | IE, VCH20 Co. Wicklow, Wicklow | Micheline Joan Sheehy Skeffington | Irish Biogeographical Society | 19/5/1979 | GALW |
| Daboecia cantabrica | IE, VCH16 West Galway, Spiddal | Declan Doogue | Irish Biogeographical Society | 8/1969 | GALW |
| Digitalis purpurea | IE, VCH20 Co. Wicklow, The Murrough | Declan Doogue | Irish Biogeographical Society | 6/1970 | GALW |
| Diplotaxis muralis | IE, VCH21 Co. Dublin, Rush | Declan Doogue | Irish Biogeographical Society | 1970 | GALW |
| Dryopteris | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | Irish Biogeographical Society | 8/1978 | GALW |
| Dryopteris dilatata | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | Irish Biogeographical Society | 6/8/1978 | GALW |
| Dryopteris filix-mas | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | Irish Biogeographical Society | 5/8/1978 | GALW |
| Dryopteris filix-mas | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | Irish Biogeographical Society | 6/8/1978 | GALW |
| Echium vulgare | IE, VCH21 Co. Dublin, Cloghran | Declan Doogue | Irish Biogeographical Society | 6/1969 | GALW |
| Epilobium montanum | IE, VCH20 Co. Wicklow, Greystones | Peter Sherlock Wyse Jackson | Irish Biogeographical Society | 2/8/1981 | GALW |
| Epilobium parviflorum | IE, VCH21 Co. Dublin, Dublin | Peter Sherlock Wyse Jackson | Irish Biogeographical Society | 1/8/1981 | GALW |
| Equisetum hyemale | IE, VCH21 Co. Dublin, Kilgobbin | Peter Hamilton Carvill | Irish Biogeographical Society | 8/1973 | GALW |
| Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH12 Co. Wexford | Peter Hamilton Carvill | Irish Biogeographical Society | 1974 | GALW |
| Equisetum palustre | IE, VCH27 West Mayo, Bangor Erris | John Robert Akeroyd Noel Henry McGough Thomas Gerard Francis Curtis | Irish Biogeographical Society | 27/6/1979 | GALW |
| Equisetum telmateia | IE, VCH20 Co. Wicklow, Wicklow | Declan Doogue | Forest & Wildlife Service Irish Biogeographical Society | 7/1969 | GALW |
| Eriophorum angustifolium | IE, VCH25,VCH29, Lough Boderg | Irish Biogeographical Society | | 15/7/1978 | GALW |
| Eriophorum angustifolium | IE, VCH21 Co. Dublin, Kiltiernan | Peter Hamilton Carvill | Irish Biogeographical Society | 7/1973 | GALW |