| Galeopsis tetrahit | GB, VC98 Argyllshire, Connel | Peter Shaw Green | | 11/8/1968 | K |
| Glebionis segetum | GB, VC98 Argyllshire, Moss of Achnacree | Peter Shaw Green | | 11/8/1968 | K |
| Hydrocotyle vulgaris | GB, VC71 Isle of Man, Ballaglass Glen | Peter Shaw Green | | 25/6/1950 | BIRM |
| Impatiens glandulifera | GB, VC37,VC38, Edgbaston | Peter Shaw Green | | 3/8/1949 | BIRM |
| Isolepis setacea | GB, VC71 Isle of Man, The Niarbyl | Peter Shaw Green | | 28/6/1950 | BIRM |
| Juncus bulbosus | GB, VC71 Isle of Man, Eairy | Peter Shaw Green | | 30/6/1950 | BIRM |
| Juncus conglomeratus | GB, VC71 Isle of Man, Port Erin | Peter Shaw Green | | 27/6/1950 | BIRM |
| Koeleria cristata | GB, VC71 Isle of Man, Port Corna | Peter Shaw Green | | 25/6/1950 | BIRM |
| Lapsana communis | GB, VC71 Isle of Man, Castletown | Peter Shaw Green | | 27/6/1950 | BIRM |
| Lolium perenne | GB, VC71 Isle of Man, Scarlett | Peter Shaw Green | | 27/6/1950 | BIRM |
| Lotus corniculatus | GB, VC38 Warwickshire, Bishops Itchington | Peter Shaw Green | | 24/6/1961 | BIRM |
| Lotus corniculatus | GB, VC38 Warwickshire, Southam | Peter Shaw Green | | 10/6/1951 | BIRM |
| Lotus corniculatus | GB, VC38 Warwickshire, Wilmcote | Peter Shaw Green | | 19/7/1951 | BIRM |
| Lotus tenuis | GB, VC38 Warwickshire, Bishops Itchington | Peter Shaw Green | | 24/6/1951 | BIRM |
| Lotus tenuis | GB, VC38 Warwickshire, Bishops Itchington | Peter Shaw Green | | 24/6/1951 | BIRM |
| Lotus tenuis | GB, VC38 Warwickshire, Wilmcote | Peter Shaw Green | | 19/7/1951 | BIRM |
| Lotus uliginosus | GB, VC38 Warwickshire, Edgbaston | Peter Shaw Green | | 22/7/1951 | BIRM |
| Montia fontana | GB, VC71 Isle of Man, Dalby | Peter Shaw Green | | 28/6/1950 | BIRM |
| Myosotis arvensis | GB, VC38 Warwickshire, Ufton Wood | Peter Shaw Green | Flora of Warwickshire Voucher Specimen | 10/6/1951 | BIRM |
| Myosotis arvensis | GB, VC38 Warwickshire, Ufton Wood | Peter Shaw Green | Flora of Warwickshire Voucher Specimen | 10/6/1951 | BIRM |
| Platanthera chlorantha | GB, VC38 Warwickshire, Southam | Peter Shaw Green | | 10/6/1951 | BIRM |
| Poa compressa | GB, VC71 Isle of Man, Douglas | Peter Shaw Green | | 28/6/1950 | BIRM |
| Potamogeton alpinus | GB, VC71 Isle of Man, Killane River | Peter Shaw Green | | 26/6/1950 | BIRM |
| Potamogeton crispus | GB, VC39 Staffordshire, Woodside | Peter Shaw Green | | 26/9/1949 | BIRM |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC39 Staffordshire, Tipton | Peter Shaw Green | | 26/9/1949 | BIRM |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC39 Staffordshire, Woodside | Peter Shaw Green | | 26/9/1949 | BIRM |
| Potamogeton polygonifolius | GB, VC57 Derbyshire, Brampton East Moor | Peter Shaw Green | | 16/7/1950 | BIRM |
| Potamogeton polygonifolius | GB, VC100 Clyde Islands, Glen Catacol | Peter Shaw Green | | 26/8/1951 | E |
| Potamogeton polygonifolius | GB, VC100 Clyde Islands, Glen Catacol | Peter Shaw Green | | 3/9/1957 | E |
| Puccinellia maritima | GB, VC71 Isle of Man, Langness | Peter Shaw Green | | 27/6/1950 | BIRM |
+ | Ranunculus aquatilis | GB, VC38 Warwickshire, Wood End | Peter Shaw Green | | 2/6/1950 | BIRM |
| Sagina apetala | GB, VC38 Warwickshire, Edgbaston Cultivated | Peter Shaw Green | | 29/7/1951 | BIRM |
| Sagina procumbens | GB, VC38 Warwickshire, Edgbaston Cultivated | Peter Shaw Green | | 24/7/1951 | BIRM |
| Salix triandra | GB, VC38 Warwickshire, Barford | Peter Shaw Green | | 28/4/1951 | BIRM |
| Salix viminalis | GB, VC38 Warwickshire, Barford | Peter Shaw Green | | 28/4/1951 | BIRM |
| Schoenoplectus lacustris | GB, VC71 Isle of Man, Jurby | Peter Shaw Green | | 26/6/1950 | BIRM |
| Sorbus arranensis | GB, VC100 Clyde Islands, Gleann Diomhan | Peter Shaw Green | | 3/9/1957 | E |
| Stachys palustris | GB, VC98 Argyllshire, Loch Etive | Peter Shaw Green | | 15/8/1968 | K |
| Stachys palustris | GB, VC98 Argyllshire, Loch Etive | Peter Shaw Green | | 15/8/1968 | K |
| Stachys sylvatica | GB, VC98 Argyllshire, Loch Etive | Peter Shaw Green | | 15/8/1968 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC98 Argyllshire, Connel | Peter Shaw Green | | 15/8/1968 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC98 Argyllshire, Loch Etive | Peter Shaw Green | | 15/8/1968 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC98 Argyllshire, Loch Etive | Peter Shaw Green | | 15/8/1968 | K |
| Symphytum | GB, VC38 Warwickshire, Long Compton | Peter Shaw Green | Flora of Warwickshire Voucher Specimen | 15/7/1951 | BIRM |
| Symphytum officinale | GB, VC38 Warwickshire, Spernall | Peter Shaw Green | Flora of Warwickshire Voucher Specimen | 22/7/1950 | BIRM |
| Thymus chamaedrys | GB, VC38 Warwickshire, Morton Bagot | Peter Shaw Green | | 10/8/1950 | BIRM |
| Torilis nodosa | GB, VC71 Isle of Man, Langness | Peter Shaw Green | | 27/6/1950 | BIRM |