| Paris quadrifolia | GB, VC58 Cheshire, Bollin Valley | John Barrow | Manchester Museum John Barrow Thomas Barker | 11/5/1867 | MANCH |
| Campanula latifolia | GB, VC58 Cheshire, Burton | Thomas Barker | Thomas Barker | 7/1878 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Burton | Thomas Barker | | 1878 | BON |
| Alisma plantago-aquatica | GB, VC58 Cheshire, Cheadle | Thomas Barker | | 8/1878 | MANCH |
| Salix caprea x cinerea = S. x reichardtii | GB, VC58 Cheshire, Marple | Thomas Barker | | 5/1863 | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC59 South Lancashire, Manchester | Thomas Barker | | | MANCH |
| Ranunculus acris | GB, VC59 South Lancashire, Withington | Thomas Barker | Manchester Museum (Owens College) | 6/1877 | MANCH |
| Paris quadrifolia | GB, VC65 North-west Yorkshire, Richmond | James Ward | Thomas Barker | 3/6/1837 | MANCH |
| Campanula latifolia | GB, VC69 Westmorland, Ambleside | | Thomas Barker | 1875 | MANCH |
+ | Woodsia ilvensis | GB, VC69 Westmorland, Ambleside | | Thomas Barker | 7/10/1875 | MANCH |
| Climacium dendroides | GB, VC69 Westmorland, Grasmere | Charles Herbert Binstead | Thomas Barker | 31/12/1885 | MANCH |
+ | Hymenophyllum wilsonii | GB, VC69 Westmorland, Lake District | | Thomas Barker | 8/1870 | MANCH |
+ | Hymenophyllum wilsonii | GB, VC69 Westmorland, Lake District | Thomas Barker | Thomas Barker | 7/1875 to 8/1875 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC70 Cumberland, Kentmere | Thomas Barker | | | MANCH |
| Oxalis acetosella | GB, VC70 Cumberland, Lake District National Park | | Thomas Barker | 4/1878 | MANCH |
+ | Hymenophyllum wilsonii | GB, VC88 Mid Perthshire, Ben Challum | Thomas Barker | Thomas Barker | | MANCH |
+ | Cerastium arcticum | GB, VC88 Mid Perthshire, Ben Lawers | Thomas Barker | | | MANCH |
+ | Cornus suecica | GB, VC88 Mid Perthshire, Ben Lawers | Thomas Barker | Schill John Bland Wood | | MANCH |
+ | Juncus castaneus | GB, VC88 Mid Perthshire, Ben Lawers | | Thomas Barker | | MANCH |
+ | Sagina nivalis | GB, VC88 Mid Perthshire, Ben Lawers | Henry Maurice Drummond-Hay | Thomas Barker | 7/1874 | MANCH |
| Potamogeton alpinus | GB, VC88 Mid Perthshire, Dunkeld | Thomas Barker | Thomas Barker | 8/1881 | MANCH |
+ | Lycopodiella inundata | GB, VC88 Mid Perthshire, Dunkeld,Loch of the Lowes | Thomas Barker | | 8/1881 | MANCH |
| Carex pallescens | GB, VC88 Mid Perthshire, Glen Shee | Thomas Barker | | 7/1879 | MANCH |
+ | Habenaria viride | GB, VC88 Mid Perthshire, Lawers | Thomas Barker | Thomas Barker | | MANCH |
+ | Habenaria viride | GB, VC88 Mid Perthshire, Lawers | Thomas Barker | | 1871 | MANCH |
| Carex pallescens | GB, VC88 Mid Perthshire, Lochay | H S | Thomas Barker | 7/1871 | MANCH |
+ | Scheuchzeria palustris | GB, VC88 Mid Perthshire, Methven | | Thomas Barker | | MANCH |
+ | Lycopodiella inundata | GB, VC89 East Perthshire, Dunkeld | Thomas Barker | | | MANCH |
+ | Lycopodiella inundata | GB, VC89 East Perthshire, Dunkeld | Thomas Barker | | 8/1951 | MANCH |
| Potamogeton crispus | GB, VC89 East Perthshire, Dunkeld | Thomas Barker | Thomas Barker | 8/1881 | MANCH |
| Potamogeton natans | GB, VC89 East Perthshire, Dunkeld | Thomas Barker | Thomas Barker | 8/1881 | MANCH |
| Anemone nemorosa | GB, VC89 East Perthshire, Glen Shee | Thomas Barker | | 7/1879 | MANCH |
+ | Genista anglica | GB, VC89 East Perthshire, Glen Shee | Thomas Barker | | 7/1879 | MANCH |
| Potamogeton polygonifolius | GB, VC89 East Perthshire, Glenshee | Thomas Barker | Thomas Barker | 7/1879 | MANCH |
+ | Chrysanthemum segetum | GB, Mid-East Perthshire, Perthshire,Dunkeld | | Thomas Barker | 8/1881 | MANCH |
+ | Juncus castaneus | GB, VC90 Angus | | Thomas Barker | | MANCH |
+ | Gentiana nivalis | GB, VC90 Angus, Caenlochan | Thomas Barker | | | MANCH |
+ | Lychnis alpina | GB, VC90 Angus, Little Kilrannoch [Little Gilrannoch] | Thomas Barker | Thomas Barker | | MANCH |
+ | Habenaria albida | GB, VC91 Kincardineshire, Strachan | Ray J Sim Thomas Barker | Charles Bailey | 7/1869 | MANCH |
+ | Arabis petraea | GB, VC92 South Aberdeenshire, Ben Aron | | John Harbord Lewis Thomas Barker | 13/8/1879 | MANCH |