| + | Potamogeton berchtoldii | GB, VC12 North Hampshire, Odiham | Edward Charles Wallace | Edward Charles Wallace
Job Edward Lousley | 18/7/1931 | SLBI | 5/5/2015 |
| + | Potamogeton lucens | GB, VC13 West Sussex, Houghton | Edward Charles Wallace | Edward Charles Wallace | 19/8/1928 | SLBI | 5/5/2015 |
| + | Potamogeton nodosus | GB, VC22 Berkshire, River Loddon | Edward Charles Wallace | Robert MacKechnie | 18/8/1936 | E | 2/6/2015 |
| + | Bolboschoenus maritimus | GB, VC15 East Kent, Romney Marsh | Edward Charles Wallace | Edward Charles Wallace
S A Chambers | 26/8/1924 | SLBI | 2/6/2015 |
| + | Potamogeton lucens | GB, VC9 Dorset, Child Okeford | Edward Charles Wallace | Robert MacKechnie | 3/8/1938 | E | 3/6/2015 |
| + | Potamogeton lucens | GB, VC13 West Sussex, Partridge Green | Edward Charles Wallace | Robert MacKechnie | 12/6/1938 | E | 3/6/2015 |
| + | Potamogeton lucens | GB, VC13 West Sussex, River Adur | Edward Charles Wallace | | 12/6/1938 | E | 3/6/2015 |
| + | Bolboschoenus maritimus | GB, VC97 West Inverness-shire, Morar | Edward Charles Wallace
Robert MacKechnie | | 4/7/1938 | SLBI | 6/6/2015 |
| + | Eriophorum angustifolium | GB, VC12 North Hampshire, Greywell Marsh | Edward Charles Wallace | John Richard Wallis | 29/6/1941 | SLBI | 22/6/2015 |
| + | Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Edward Charles Wallace | Robert MacKechnie | 22/7/1953 | E | 28/9/2015 |
| + | Carex leporina | GB, VC14 East Sussex, Heathfield | John Richard Wallis | John Richard Wallis | 23/6/1943 | SLBI | 22/7/2015 |
| + | Heliotropium angiospermum | USFL, Volusia County, Turtle Mound | Daniel B Ward | | 7/7/1965 | FSU | 29/3/2015 |
| + | Mentha arvensis | GB, VC62 North-east Yorkshire | Mary McCallum Webster | | 19/8/1957 | K | 27/3/2015 |
| + | Potamogeton natans | GB, VC95 Moray, Darnaway Castle | Mary McCallum Webster | | 17/6/1956 | E | 14/5/2015 |
| + | Potamogeton natans | GB, VC96 East Inverness-shire, Auldearn | Mary McCallum Webster | | 15/9/1972 | E | 20/5/2015 |
| + | Potamogeton lucens x gramineus = P. x angustifolius | GB, VC95 Moray, Duthil | Mary McCallum Webster | | 3/8/1973 | E | 2/6/2015 |
| + | Cyperus fuscus | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club
William Robert Sherrin | 27/9/1900 | SLBI | 21/5/2015 |
| + | Bolboschoenus maritimus | GB, VC17 Surrey, Battersea | John Ezra Woodhead | Job Edward Lousley | | SLBI | 2/6/2015 |
| + | Triglochin maritima | GB, VC13 West Sussex, Fishbourne | Joseph Woods | | 21/8/1847 | SLBI | 23/3/2015 |
| + | Eriophorum angustifolium | GB, VC14 East Sussex, Ashdown Forest | Joseph Woods | Frederick Townsend | 6/1833 | SLBI | 22/6/2015 |
| + | Euphorbia inundata | USFL, Wakulla County, Saint Marks Refuge | Jean W. Wooten | Herbarium of the University of Michigan | 4/5/1974 | FSU | 30/3/2015 |
| + | Sesuvium portulacastrum | USFL, Citrus County | Jean W. Wooten | | 22/3/1973 | FSU | 1/4/2015 |
