| Alchemilla vulgaris | IE, VCH20 Co. Wicklow, Ballyman Glen | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 14/5/1930 | DBC |
| Arenaria serpyllifolia | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | DBC |
| Artemisia vulgaris | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 9/1928 | 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 |
| 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 |
| Chamaemelum nobile | IE, VCH20,VCH21, Kilmacanoge | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 21/9/1930 | DBC |
| Chenopodium album | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | 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 |
| Conium maculatum | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 9/1928 | DBC |
| Cystopteris fragilis | IE, VCH20 Co. Wicklow, Lugduff | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 21/7/1930 | DBC |
| Diplotaxis muralis | IE, VCH21 Co. Dublin, Rush Cultivated | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | DBC |
| Eleocharis quinqueflora | IE, VCH20 Co. Wicklow, Glen of Imaal | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 29/6/1930 | DBC |
| Elytrigia repens | IE, VCH21 Co. Dublin, Glasnevin | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | DBC |
| Equisetum variegatum | IE, VCH14,VCH18, Clonaslee | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 17/7/1930 | 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 |
| Fallopia convolvulus | IE, VCH21 Co. Dublin, Glasnevin | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | 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 |
| 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, Poulaphouca | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 29/7/1929 | 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 |
| Koeleria cristata | IE, VCH20 Co. Wicklow, Killoughter | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 4/7/1930 | DBC |
| Leontodon autumnalis | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | DBC |
| Lepidium draba | IE, VCH20 Co. Wicklow, Newcastle | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 31/5/1930 | DBC |
| Lychnis flos-cuculi | IE, VCH11 Co. Kilkenny, Mullinabro | | Albert Agricultural College, Glasnevin | 6/1881 | DBC |
| Lycopodium clavatum | IE, VCH20 Co. Wicklow, Lough Dan | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 2/7/1930 | DBC |
| Meconopsis cambrica | IE, VCH20 Co. Wicklow, Glenmalur | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 14/7/1930 | DBC |
| Melilotus officinalis | IE, VCH21 Co. Dublin, Rush | Michael John Gorman | Albert Agricultural College, Glasnevin | 10/1928 | DBC |
| Narthecium ossifragum | IE, VCH20 Co. Wicklow, Newcastle | Michael John Gorman | Albert Agricultural College, Glasnevin | 11/1928 | DBC |
| Oenanthe fistulosa | IE, VCH22 Meath, Bective | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 10/7/1930 | DBC |
| Oenanthe lachenalii | IE, VCH20 Co. Wicklow, Kilcoole | James Ponsonby Brunker | Albert Agricultural College, Glasnevin | 24/8/1930 | DBC |