| Alchemilla vulgaris | IE, VCH20 Co. Wicklow, Ballyman Glen | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 14/5/1930 | DBC |
| Anemone nemorosa | IE, VCH20 Co. Wicklow, Ballysmuttan | James Ponsonby Brunker | | 3/5/1930 | DBC |
| Asplenium lanceolatum | IE, VCH20 Co. Wicklow, Arklow Head | James Ponsonby Brunker | | 21/7/1929 | DBC |
| Bidens cernua | IE, VCH20 Co. Wicklow, Ennereilly | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 5/9/1930 | DBC |
| Botrychium lunaria | IE, VCH13,VCH20, Rathglass Bridge | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 24/5/1931 | DBC |
| Botrychium lunaria | IE, VCH20 Co. Wicklow, Ballyman Glen | James Ponsonby Brunker | | 14/5/1930 | DBC |
| Bromus hordeaceus | IE, VCH20 Co. Wicklow, Askintinny | James Ponsonby Brunker | | 15/6/1926 | DBC |
| Calamintha arvensis | IE, VCH18,VCH19,VCH22, Edenderry | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | | DBC |
| Carex binervis | IE, VCH21 Co. Dublin, Kilmashogue Mountain | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 14/6/1930 | DBC |
| Carex dioica | IE, VCH20 Co. Wicklow, Ballyman Glen | James Ponsonby Brunker | | 14/5/1930 | DBC |
| Carex hirta x vesicaria = C. x grossii | IE, VCH20 Co. Wicklow, Magherabeg IE, VCH21 Co. Dublin, Harold's Cross Cultivated | James Ponsonby Brunker | | 1948 4/7/1950 | BM |
| Chamaemelum nobile | IE, VCH20,VCH21, Kilmacanoge | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 21/9/1930 | DBC |
| Cirsium dissectum | IE, VCH20 Co. Wicklow, Lough Dan | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 2/7/1930 | DBC |
| Clinopodium ascendens | IE, VCH20 Co. Wicklow, Newcastle | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 23/8/1930 | DBC |
| Cystopteris fragilis | IE, VCH20 Co. Wicklow, Lugduff | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 21/7/1930 | DBC |
| Drosera longifolia | IE, VCH19,VCH20, Kings River | James Ponsonby Brunker | | 1/8/1929 | DBC |
| Eleocharis quinqueflora | IE, VCH20 Co. Wicklow, Glen of Imaal | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 29/6/1930 | DBC |
| Equisetum hyemale | IE, VCH20 Co. Wicklow, Snugborough House | James Ponsonby Brunker | | 2/3/1931 | DBC |
| Equisetum variegatum | IE, VCH14,VCH18, Clonaslee | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 17/7/1930 | DBC |
| Erophila verna | IE, VCH20 Co. Wicklow, Shillelagh | James Ponsonby Brunker | | 23/5/1931 | DBC |
| Erysimum cheiranthoides | IE, VCH20 Co. Wicklow, Davidstown | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 30/7/1930 | DBC |
| Euphorbia portlandica | IE, VCH20 Co. Wicklow, Ennereilly | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 3/9/1930 | DBC |
| Filago minima | IE, VCH20 Co. Wicklow, Ballyknockan | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 4/8/1930 | DBC |
| Filago vulgaris | IE, VCH20 Co. Wicklow, Bray Head | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 5/7/1930 | DBC |
| Galium boreale | IE, VCH23 Westmeath, Killinare House | James Ponsonby Brunker | | 12/7/1929 | DBC |
| Geranium lucidum | IE, VCH20 Co. Wicklow, The Devil's Glen | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 17/5/1930 | DBC |
| Glechoma hederacea | IE, VCH23 Westmeath, Lough Ennell | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 12/7/1930 | DBC |
| Gnaphalium sylvaticum | IE, VCH20 Co. Wicklow, Ballyknockan | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 4/8/1930 | DBC |
| Hieracium sabaudum | IE, VCH20 Co. Wicklow, Avoca | James Ponsonby Brunker | | 2/9/1928 | DBC |
| Hieracium sabaudum | IE, VCH20 Co. Wicklow, Poulaphouca | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 29/7/1929 | DBC |
| Hieracium sect. Foliosa | IE, VCH20 Co. Wicklow, Lough Dan | James Ponsonby Brunker | | 16/9/1928 | DBC |
| Hieracium sect. Oreadea | IE, VCH20 Co. Wicklow, Dargle | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 1/7/1929 | DBC |
| Hieracium sect. Oreadea | IE, VCH20 Co. Wicklow, Poulaphouca | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 28/6/1929 | DBC |
| Hieracium strictiforme | IE, VCH20 Co. Wicklow, The Devil's Glen | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 3/8/1929 | DBC |
| Hieracium umbellatum | IE, VCH20 Co. Wicklow, The Devils Glen | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 3/8/1929 | DBC |
| Hymenophyllum unilaterale | IE, VCH21 Co. Dublin, River Dodder | James Ponsonby Brunker | | 26/12/1928 | DBC |
| Koeleria cristata | IE, VCH20 Co. Wicklow, Killoughter | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 4/7/1930 | DBC |
| Lathraea squamaria | IE, VCH20 Co. Wicklow, Enniskerry | James Ponsonby Brunker | | 19/4/1930 | DBC |
| Lepidium draba | IE, VCH20 Co. Wicklow, Newcastle | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 31/5/1930 | DBC |
| Listera cordata | IE, VCH20 Co. Wicklow, Carrick Mountain | James Ponsonby Brunker | | 16/6/1929 | DBC |