+ | Apium nodiflorum | GB, VC3 South Devon, Dawlish | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | 8/1882 | MANCH |
| Viola lactea | GB, VC3 South Devon, Dowland | Alexander Cossart Hasse | Albert Bruce Jackson | 9/6/1892 | K |
+ | Apium nodiflorum | GB, Devon, Devonshire | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | 30/7/1881 | MANCH |
+ | Dianthus gratianopolitanus | GB, VC6 North Somerset, Cheddar | Alexander Cossart Hasse | | 8/9/1882 | MANCH |
| Consolida regalis | GB, VC34 West Gloucestershire | Alexander Cossart Hasse | Alexander Cossart Hasse | 10/7/1882 | MANCH |
| Gnaphalium uliginosum | GB, VC34 West Gloucestershire, Bristol (NE of) | | Alexander Cossart Hasse | 22/8/1882 | MANCH |
+ | Berula erecta | GB, VC34 West Gloucestershire, Bristol, Crew's Hole | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | 1881 | MANCH |
+ | Berula erecta | GB, VC34 West Gloucestershire, Bristol, Crew's Hole | Alexander Cossart Hasse | Alexander Cossart Hasse | 27/8/1880 | MANCH |
| Paris quadrifolia | GB, VC34 West Gloucestershire, Dyrham | Alexander Cossart Hasse Thomas Barker | | 4/1881 | MANCH |
| Primula veris | GB, VC34 West Gloucestershire, Dyrham | Alexander Cossart Hasse | Manchester Museum (Owens College) | 27/4/1882 | MANCH |
+ | Onobrychis viciifolia | GB, VC34 West Gloucestershire, Kingswood | Alexander Cossart Hasse | Alexander Cossart Hasse | 17/6/1882 | MANCH |
+ | Petrorhagia nanteuilii | GB, VC34 West Gloucestershire, Kingswood | Alexander Cossart Hasse | Alexander Cossart Hasse | 27/7/1882 | MANCH |
+ | Potentilla argentea | GB, VC34 West Gloucestershire, Kingswood | | Alexander Cossart Hasse | 3/6/1882 | MANCH |
+ | Potentilla argentea | GB, VC34 West Gloucestershire, Kingswood | Alexander Cossart Hasse | | 2/8/1882 | MANCH |
+ | Potentilla argentea | GB, VC34 West Gloucestershire, Kingswood | | Alexander Cossart Hasse | 6/1883 to 7/1883 | MANCH |
+ | Potentilla argentea | GB, VC34 West Gloucestershire, Kingswood | | Alexander Cossart Hasse | 6/1883 to 7/1883 | MANCH |
+ | Potentilla argentea | GB, VC34 West Gloucestershire, Kingswood | | Alexander Cossart Hasse | 8/1883 | MANCH |
+ | Silene gallica | GB, VC34 West Gloucestershire, Kingswood | Alexander Cossart Hasse | Alexander Cossart Hasse | 3/6/1882 | MANCH |
+ | Silene noctiflora | GB, VC34 West Gloucestershire, Kingswood | Alexander Cossart Hasse | Alexander Cossart Hasse | 14/9/1882 | MANCH |
| Viola reichenbachiana | GB, VC35 Monmouthshire, Wynd Cliff, Tintern | Alexander Cossart Hasse | Manchester Museum | 10/4/1882 | MANCH |
+ | Apium nodiflorum | GB, VC36 Herefordshire, Leominster | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | | MANCH |
+ | Apium nodiflorum | GB, VC36 Herefordshire, Leominster | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | | MANCH |
| Paris quadrifolia | GB, VC36 Herefordshire, Leominster | Alexander Cossart Hasse | Alexander Cossart Hasse | | MANCH |
+ | Fumaria parviflora | GB, VC39 Staffordshire, Tutbury | Alexander Cossart Hasse | | 5/1836 | MANCH |
+ | Berula erecta | GB, VC41 Glamorganshire, Vale of Neath | | Alexander Cossart Hasse | | MANCH |
| Potamogeton polygonifolius | GB, VC49 Caernarvonshire, Caernarfon | | Alexander Cossart Hasse | 7/1835 | MANCH |
+ | Apium nodiflorum | GB, VC55 Leicestershire, Syston | Alexander Cossart Hasse | Alexander Cossart Hasse | 14/7/1882 | MANCH |
+ | Apium nodiflorum | GB, VC57 Derbyshire, Chaddesden | Alexander Cossart Hasse | Hasse Alexander Cossart Hasse | 18/8/1888 | MANCH |
+ | Potamogeton compressus | GB, VC57 Derbyshire, Draycott | Alexander Cossart Hasse | Alexander Cossart Hasse | 12/6/1884 | MANCH |
| Potamogeton pectinatus | GB, VC57 Derbyshire, Ockbrook | | Alexander Cossart Hasse | 12/6/1884 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC57 Derbyshire, Ockbrook | Alexander Cossart Hasse | Alexander Cossart Hasse | 6/1884 | MANCH |
+ | Silene noctiflora | GB, VC57 Derbyshire, Ockbrook | Alexander Cossart Hasse | | 8/1888 | MANCH |
| Potamogeton pectinatus | GB, VC57 Derbyshire, Sinfin | | Alexander Cossart Hasse | 26/8/1885 | MANCH |
| Paris quadrifolia | GB, VC57 Derbyshire, Spondon Wood | | Manchester Museum Alexander Cossart Hasse Thomas Barker | 31/3/1886 | MANCH |
+ | Chrysanthemum segetum | GB, VC57 Derbyshire, Stanton by-dale | | Alexander Cossart Hasse | 25/8/1888 | MANCH |
| Potamogeton natans | GB, VC59 South Lancashire, Salem | W H Bates | Alexander Cossart Hasse | | MANCH |
+ | Circaea lutetiana x alpina = C. x intermedia | GB, VC64 Mid-west Yorkshire, Baildon | | Alexander Cossart Hasse | 8/1862 | MANCH |
+ | Gnaphalium sylvaticum | GB, VC72 Dumfriesshire, Dumfries,Holywood | | Alexander Cossart Hasse | 7/1858 | MANCH |
+ | Minuartia rubella | GB, VC88 Mid Perthshire, Ben Lawers | Alexander Cossart Hasse | | | MANCH |
| Caltha palustris var. guerangerii | GB, Ambiguous locality (GB), Dale | | Alexander Cossart Hasse | 7/1888 | MANCH |
+ | Gentianella campestris | GB, VC109 Caithness, Wick | Alexander Cossart Hasse | Alexander Cossart Hasse | | MANCH |
+ | Radiola linoides | IE, VCH38 Co. Down, Belfast,Holywood IE, VCH39 Co. Antrim, Belfast | Alexander Cossart Hasse | Alexander Cossart Hasse | 7/1858 | MANCH |
| Potamogeton perfoliatus | IE, VCH39 Co. Antrim, River Main | Alexander Cossart Hasse | | 9/1858 | MANCH |
| Potamogeton pectinatus | IE, VCH40 Co. Londonderry, Portstewart | Alexander Cossart Hasse | | 7/1860 | MANCH |