| Lythrum salicaria | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Malva sylvestris | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Melampyrum pratense | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Myosotis laxa subsp. caespitosa | GB, VC42 Breconshire, Saint Brynach, Brecon | D A Perks | | 4/8/1959 | ABS |
| Potentilla reptans | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Pulicaria dysenterica | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Ranunculus flammula | GB, VC42 Breconshire, Brecon | D A Perks | | 4/8/1959 | ABS |
| Sanicula europaea | GB, VC42 Breconshire, Brecon | D A Perks | | 3/8/1959 | ABS |
| Vicia sepium | GB, VC42 Breconshire, Llanfrynach | D A Perks | | 3/8/1959 | ABS |
| Mentha aquatica | GB, VC42 Breconshire, Brecon | D A Perks | | 2/8/1959 | ABS |
| Odontites vernus subsp. serotinus | GB, VC42 Breconshire, Brecon Beacons | D A Perks | | 1/8/1959 | ABS |
| Carex viridula subsp. oedocarpa | GB, VC46 Cardiganshire, Pont-erwyd | D A Perks | | 30/7/1959 | ABS |
| Diplotaxis tenuifolia | GB, VC40 Shropshire, Church Stretton | D A Perks | | 23/7/1959 | ABS |
| Lapsana communis | GB, VC38 Warwickshire, Baddesley Clinton | D A Perks | | 17/7/1959 | ABS |
| Juncus effusus | GB, VC38 Warwickshire, Lapworth | D A Perks | | 15/7/1959 | ABS |
| Mimulus guttatus | GB, VC40 Shropshire, Carding Mill Valley | D A Perks | | 15/7/1959 | ABS |
| Stellaria media | GB, VC38 Warwickshire, Lawsonford | D A Perks | | 10/7/1959 | ABS |
| Senecio aquaticus | GB, VC38 Warwickshire, Lapworth | D A Perks | | 8/7/1959 | ABS |
| Juncus bufonius | GB, VC48 Merionethshire, Dyfi Forest | D A Perks | | 6/7/1959 | ABS |
| Carex echinata | GB, VC46 Cardiganshire, Plynlimon | D A Perks | | 4/7/1959 | ABS |
| Carex pulicaris | GB, VC46 Cardiganshire, Plynlimon | D A Perks | | 4/7/1959 | ABS |
| Potentilla erecta | GB, VC46 Cardiganshire, Pont-erwyd | D A Perks | | 15/5/1959 | ABS |
| Veronica serpyllifolia | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 15/5/1959 | ABS |
| Stellaria graminea | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 10/5/1959 | ABS |
| Stellaria holostea | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 10/5/1959 | ABS |
| Cardamine flexuosa | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 5/5/1959 | ABS |
| Cardamine pratensis | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 5/5/1959 | ABS |
| Glechoma hederacea | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 5/5/1959 | ABS |
| Silene dioica | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 5/5/1959 | ABS |
| Vicia sepium | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 5/5/1959 | ABS |
| Bellis perennis | GB, VC46 Cardiganshire, Penglais Farm | D A Perks | | 2/5/1959 | ABS |
| Viola riviniana | GB, VC46 Cardiganshire, Aberystwyth | D A Perks | | 2/5/1959 | ABS |
| Arum maculatum | GB, VC38 Warwickshire, Lapworth | D A Perks | | 28/4/1959 | ABS |
| Tussilago farfara | GB, VC38 Warwickshire, Lowsonford | D A Perks | | 17/4/1959 | ABS |
| Viola reichenbachiana | GB, VC38 Warwickshire, Rowington | D A Perks | | 14/4/1959 | ABS |
| Oxalis acetosella | GB, VC38 Warwickshire, Lapworth | D A Perks | | 9/4/1959 | ABS |
| Ranunculus repens | GB, VC38 Warwickshire, Lapworth | D A Perks | | 9/4/1959 | ABS |
| Ranunculus ficaria | GB, VC38 Warwickshire, Rowington | D A Perks | | 6/4/1959 | ABS |
| Geranium robertianum | GB, VC38 Warwickshire, Lapworth | D A Perks | | 5/4/1959 | ABS |
| Primula veris | GB, VC38 Warwickshire, Rowington | D A Perks | | 5/4/1959 | ABS |
| Primula vulgaris | GB, VC38 Warwickshire, Rowington | D A Perks | | 5/4/1959 | ABS |
| Anemone nemorosa | GB, VC38 Warwickshire, Baddesley Clinton | D A Perks | | 4/4/1959 | ABS |
| Hyacinthoides non-scripta | GB, VC38 Warwickshire, Rowington | D A Perks | | 4/4/1959 | ABS |
| Fragaria vesca | GB, VC38 Warwickshire, Baddesley Clinton | D A Perks | | 3/4/1959 | ABS |
| Mercurialis perennis | GB, VC38 Warwickshire, Baddesley Clinton | D A Perks | | 3/4/1959 | ABS |