| Achillea millefolium | GB, VC62 North-east Yorkshire, Throxenby | Reginald Plummer | Manchester Museum (Owens College) Reginald Plummer | 31/7/1893 | MANCH |
| Achillea ptarmica | GB, VC58 Cheshire, Styal | Reginald Plummer | Reginald Plummer | 4/7/1895 | MANCH |
| Adoxa moschatellina | GB, VC58 Cheshire, Bramhall | Reginald Plummer | | 19/4/1873 | MANCH |
+ | Agrostemma githago | GB, VC61 South-east Yorkshire, Flamborough Head | Reginald Plummer | Reginald Plummer | 7/9/1894 | MANCH |
| Antennaria dioica | GB, VC69 Westmorland, Ambleside | Reginald Plummer | Reginald Plummer | 15/5/1896 | MANCH |
| Antennaria dioica | GB, VC69 Westmorland, Windermere | Reginald Plummer | Manchester Museum (Owens College) | 30/4/1896 | MANCH |
| Caltha palustris var. guerangerii | GB, VC69 Westmorland, Windermere | Reginald Plummer | Manchester Museum (Owens College) Reginald Plummer | 4/5/1896 | MANCH |
| Campanula latifolia | GB, VC62 North-east Yorkshire, Scarborough,Forge Valley | Reginald Plummer | Manchester Museum (Owens College) | 31/7/1894 | MANCH |
+ | Centaurea cyanus | GB, VC62 North-east Yorkshire, Scarborough,Wheatcroft | Reginald Plummer | Reginald Plummer | 7/8/1895 | MANCH |
| Ceratocapnos claviculata | GB, VC69 Westmorland, Coniston Lake | Reginald Plummer | Manchester Museum (Owens College) Reginald Plummer | 13/4/1896 | MANCH |
+ | Chamaemelum nobile | GB, VC62 North-east Yorkshire, Scarborough,Wheatcroft | Reginald Plummer | Reginald Plummer | 23/7/1894 | MANCH |
+ | Chenopodium bonus-henricus | GB, VC69 Westmorland, Windermere,Waterhead | Reginald Plummer | Reginald Plummer | 13/5/1895 | MANCH |
+ | Chrysanthemum segetum | GB, VC49 Caernarvonshire, Conwy | Reginald Plummer | Reginald Plummer | 11/8/1896 | MANCH |
+ | Coincya monensis subsp. monensis | GB, VC58 Cheshire, New Brighton | Reginald Plummer | Reginald Plummer | 23/6/1900 | MANCH |
+ | Dianthus deltoides | GB, VC49 Caernarvonshire, Conway,Deganwy | Reginald Plummer | | 15/7/1896 | MANCH |
+ | Dianthus deltoides | GB, VC49 Caernarvonshire, Conway,The Morfa | Reginald Plummer | | 10/7/1896 | MANCH |
+ | Dianthus deltoides | GB, VC49 Caernarvonshire, Conway,The Morfa | Reginald Plummer | | 1/8/1896 | MANCH |
| Eranthis hyemalis | GB, VC29 Cambridgeshire, Cambridge | Reginald Plummer | Manchester Museum (Owens College) Reginald Plummer | 2/1893 | MANCH |
+ | Euphorbia exserta | GB, VC62 North-east Yorkshire, Scarborough | Reginald Plummer | Reginald Plummer | 10/8/1895 | MANCH |
+ | Filago vulgaris | GB, VC62 North-east Yorkshire, Scarborough,Seamer | Reginald Plummer | Reginald Plummer | 28/7/1893 | MANCH |
+ | Gentianella campestris | GB, VC49 Caernarvonshire, Conway,Deganwy | Reginald Plummer | Reginald Plummer | 19/8/1896 | MANCH |
| Geum rivale x urbanum = G. x intermedium | GB, VC69 Westmorland, Windermere | Reginald Plummer | Manchester Museum (Owens College) | 3/5/1893 | MANCH |
+ | Gnaphalium sylvaticum | GB, VC62 North-east Yorkshire, Scarborough | | Reginald Plummer | 24/8/1894 | MANCH |
| Gnaphalium uliginosum | GB, VC49 Caernarvonshire, Conway (near) | Reginald Plummer | Manchester Museum (Owens College) | 27/7/1896 | MANCH |
+ | Hypericum montanum | GB, VC62 North-east Yorkshire, Scarborough,Forge Valley | Reginald Plummer | | 13/8/1895 | MANCH |
+ | Hypericum montanum | GB, VC62 North-east Yorkshire, Scarborough,Forge Valley | Reginald Plummer | | 31/7/1894 | MANCH |
| Jasione montana | GB, VC4 North Devon, Lundy Island | L Plummer | Manchester Museum (Owens College) Reginald Plummer | 19/6/1894 | MANCH |
| Jasione montana | GB, VC49 Caernarvonshire, Penmaenmawr | | Botanical Society & Exchange Club of the British Isles Reginald Plummer | 14/7/1896 | MANCH |
| Orchis mascula | GB, VC69 Westmorland, Windermere | Reginald Plummer | Manchester Museum (Owens College) | 25/4/1893 to 26/4/1894 | MANCH |
| Oxalis acetosella | GB, VC69 Westmorland, Coniston | Reginald Plummer | Manchester Museum (Owens College) | 15/4/1896 | MANCH |
+ | Primula farinosa | GB, VC69 Westmorland, Ambleside | Reginald Plummer | Reginald Plummer | 15/5/1896 | MANCH |
+ | Primula farinosa | GB, VC69 Westmorland, Ambleside,Scandale fell | Reginald Plummer | Reginald Plummer | 15/5/1896 | MANCH |
+ | Radiola linoides | GB, VC49 Caernarvonshire, Conway,The Morfa | Reginald Plummer | Reginald Plummer | 10/7/1896 | MANCH |
| Ranunculus acris | GB, VC58 Cheshire, Manchester | Reginald Plummer | Reginald Plummer | 4/6/1894 | MANCH |
| Ranunculus bulbosus | GB, VC69 Westmorland, Windermere,Waterhead | Reginald Plummer | Manchester Museum (Owens College) | 15/5/1896 | MANCH |
| Sanicula europaea | GB, VC57 Derbyshire, Matlock | Reginald Plummer | Manchester Museum (Owens College) | 6/6/1895 | MANCH |
| Serratula tinctoria | GB, VC2 East Cornwall, Knightsmill, Camelford | Reginald Plummer | Manchester Museum (Owens College) Reginald Plummer | 3/8/1900 | MANCH |
+ | Silene noctiflora | GB, VC62 North-east Yorkshire, Scarborough,Seamer | Reginald Plummer | | 19/7/1894 | MANCH |
+ | Spergula arvensis | GB, VC59 South Lancashire, Levenshulme | Reginald Plummer | Reginald Plummer | 2/7/1894 | MANCH |
+ | Stellaria palustris | GB, VC62 North-east Yorkshire, Scarborough,Throxenby Mere | Reginald Plummer | Reginald Plummer | 23/7/1895 | MANCH |
| Trollius europaeus | GB, VC69 Westmorland, Windermere | Reginald Plummer | Manchester Museum (Owens College) | 27/4/1893 | MANCH |
+ | Viola tricolor | GB, VC69 Westmorland, Windermere,Red Nab | Reginald Plummer | Reginald Plummer | 3/5/1893 | MANCH |
+ | Viola tricolor | GB, VC69,VC70, Cumberland,Thirlmere | Reginald Plummer | Reginald Plummer | 2/5/1895 | MANCH |
+ | Viola tricolor | GB, VC69,VC70, Cumberland,Thirlmere | Reginald Plummer | Reginald Plummer | 2/5/1893 | MANCH |