| Agrostis canina | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Agrostis diegoensis | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Agrostis gigantea | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Agrostis stolonifera | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Agrostis stolonifera | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Aira caryophyllea | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Aira praecox | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Alopecurus geniculatus | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Alopecurus pratensis | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Anthoxanthum odoratum | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Arrhenatherum elatius | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Brachypodium sylvaticum | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Brachypodium sylvaticum | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1974 | ABS |
| Bromopsis ramosa | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Bromus hordeaceus | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Catabrosa aquatica | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Cynosurus cristatus | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Cynosurus cristatus | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Dactylis glomerata | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Deschampsia cespitosa | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Deschampsia cespitosa | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Elymus caninus | GB, VC35 Monmouthshire, Usk | L H Davies | | 4/9/1961 | ABS |
| Elymus repens | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Festuca gigantea | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Festuca ovina | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Festuca rubra | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Glyceria declinata | GB, VC42 Breconshire, Llangattock | L H Davies | | 21/9/1961 | ABS |
| Glyceria fluitans x notata = G. x pedicellata | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Glyceria notata | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Holcus lanatus | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Holcus mollis | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Hordeum murinum | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Hordeum secalinum | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Lolium multiflorum | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Lolium perenne | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Melica uniflora | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Molinia caerulea | GB, VC42 Breconshire, Mynydd Llangatwg | L H Davies | | 21/9/1961 | ABS |
| Nardus stricta | GB, VC42 Breconshire, Eglwys Faen | L H Davies | | 21/9/1961 | ABS |
| Phalaris arundinacea | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Phleum pratense var. nodosum | GB, VC35 Monmouthshire, Usk | L H Davies | | 30/8/1961 | ABS |
| Phleum pratense var. nodosum | GB, VC35 Monmouthshire, Usk | L H Davies | | 29/8/1961 | ABS |
| Poa angustifolia | GB, VC42 Breconshire, Darren | L H Davies | | 21/9/1961 | ABS |
| Poa annua | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Poa humilis | GB, VC35 Monmouthshire, Usk | L H Davies | | 4/9/1961 | ABS |
| Poa pratensis | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Poa trivialis var. glabra | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |
| Trisetum flavescens | GB, VC35 Monmouthshire, Usk | L H Davies | | 28/8/1961 | ABS |