 | Teucrium scordium | GB, VC4 North Devon, Braunton Burrows | Thomas Jackson Foggitt | Isaac A Helsby | 30/8/1923 | SLBI |
| Sisyrinchium californicum | GB, VC62 North-east Yorkshire, Stoneybrough, Thirsk Cultivated | Douglas Montague Heath
Thomas Jackson Foggitt | Douglas Montague Heath | 16/7/1936 | BIRM |
| Scheuchzeria palustris | GB, VC88 Mid Perthshire, Rannoch Moor | | Isaac A Helsby
Thomas Jackson Foggitt | 28/7/1923 | SLBI |
| Saxifraga hirculus | | | Mitchinson
Douglas Montague Heath
Thomas Jackson Foggitt
T Foggitt | | BIRM |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC26 West Suffolk, Barton Mills | Thomas Jackson Foggitt | IRGMA
Frederick William Holder | 13/7/1925 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC26 West Suffolk, Barton Mills | Thomas Jackson Foggitt | IRGMA
Joseph Norman Frankland | 13/7/1928 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC69 Westmorland, Appleby
GB, VC69 Westmorland, Brough | Thomas Jackson Foggitt | Joseph Norman Frankland | 25/5/1926
20/7/1926 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC62 North-east Yorkshire, Terrington | Thomas Jackson Foggitt | | 18/5/1911 | CGE |
| Salix fragilis x alba = S. x rubens | GB, North Yorkshire, Cod Beck | Thomas Jackson Foggitt | | 23/5/1923
1/9/1923 | CGE |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | Thomas Jackson Foggitt | IRGMA
Catherine Muriel Rob
Joseph Norman Frankland | 25/8/1929 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | Thomas Jackson Foggitt | IRGMA
Catherine Muriel Rob
Joseph Norman Frankland | 12/11/1923 | LIV |
| Rubus saxatilis | GB, VC65 North-west Yorkshire, Hawnby Bank | James Walter White
Thomas Jackson Foggitt | | 26/6/1919 | SLBI |
| Primula elatior | GB, VC19 North Essex, Quendon | Thomas Jackson Foggitt | Isaac A Helsby | 3/5/1929 | SLBI |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC69,VC70, Eamont Bridge | Douglas Montague Heath
Thomas Jackson Foggitt | Douglas Montague Heath | 20/7/1938 | BIRM |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC17 Surrey, Albury | Thomas Jackson Foggitt | Douglas Montague Heath
Gertrude Foggitt | 25/9/1933 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Penrhos-Lligwy | Thomas Jackson Foggitt | Alfred Fryer
Charles Bailey | 15/9/1910 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Black Head | Thomas Jackson Foggitt | Douglas Montague Heath | 8/7/1925 | BIRM |
| + | Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River at Black Head | Thomas Jackson Foggitt | | 8/7/1925 | BIRM |
| Populus alba | GB, VC62 North-east Yorkshire, Easingwold | Thomas Jackson Foggitt | | 25/3/1927 | SLBI |
| Orchis laxiflora | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Thomas Jackson Foggitt | Isaac A Helsby | 25/5/1923 | SLBI |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Harling Road | Catherine Muriel Rob
Thomas Jackson Foggitt | Joseph Norman Frankland | 14/9/1926 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Gilly Tresamble | Catherine Muriel Rob
Thomas Jackson Foggitt | Joseph Norman Frankland | 17/9/1926 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Alfrick | Thomas Jackson Foggitt | Catherine Muriel Rob
Joseph Norman Frankland | 11/9/1926 | LIV |
| Melampyrum arvense | GB, Essex, Rayne | Thomas Jackson Foggitt | Isaac A Helsby | 23/7/1933 | SLBI |
| + | Lloydia serotina | GB, VC49 Caernarvonshire, Cwm Idwal | Thomas Jackson Foggitt | | 18/6/1908 | BIRM |
| Juncus articulatus | GB, VC62 North-east Yorkshire, Goathland | Thomas Jackson Foggitt | Isaac A Helsby | 8/1923 | SLBI |
| Juncus alpinoarticulatus | GB, VC66 County Durham, Wynch Bridge | Thomas Jackson Foggitt | Isaac A Helsby | 30/9/1933 | SLBI |
| + | Impatiens glandulifera | GB, VC62 North-east Yorkshire, Banks of Codbeck | Thomas Jackson Foggitt | | 6/9/1923 | BM |
| Hordelymus europaeus | GB, VC62 North-east Yorkshire, Helmsley | William Foggitt | William Hunt Painter
Thomas Jackson Foggitt | 24/8/1877 | ABS |
| Hieracium sublasiophyllum | GB, VC65 North-west Yorkshire, Teesdale, Holwick Scars | Thomas Jackson Foggitt | Isaac A Helsby | 23/7/1908 | SLBI |
| Hieracium subcrocatum | GB, VC65,VC66, Startforth, Deepdale | Thomas Jackson Foggitt | Isaac A Helsby | 20/8/1902 | SLBI |
| Hieracium sect. Alpina | GB, VC88 Mid Perthshire, Ben Lawers | Thomas Jackson Foggitt | Isaac A Helsby | 24/7/1920 | SLBI |
| Hieracium prenanthoides | GB, VC64 Mid-west Yorkshire, Masham, Hackfall | Thomas Jackson Foggitt | Isaac A Helsby | 4/8/1889 | SLBI |
| Hieracium milesii | GB, VC92 South Aberdeenshire, Coire Kander | Thomas Jackson Foggitt | Isaac A Helsby | 16/7/1908 | SLBI |
| Hieracium holosericeum | GB, VC97 West Inverness-shire, Ben Socaich | Thomas Jackson Foggitt | Isaac A Helsby | 27/7/1924 | SLBI |
| Hieracium argenteum | GB, VC92 South Aberdeenshire, Glen Callater | Thomas Jackson Foggitt | Isaac A Helsby | 22/7/1924 | SLBI |
| Gentiana verna | GB, VC66 County Durham, Upper Teesdale | William Foggitt | Botanical Exchange Club of The British Isles
John Ralfs
Thomas Jackson Foggitt | 27/5/1878 | SLBI |
| Gentiana nivalis | GB, VC88 Mid Perthshire, Ben Lawers | Thomas Jackson Foggitt | Isaac A Helsby | 23/7/1931 | SLBI |
| Galeopsis segetum | GB, VC49 Caernarvonshire, Port Dinorwic | Thomas Jackson Foggitt | Isaac A Helsby | 29/8/1926 | SLBI |
| Gagea serotina | GB, VC49 Caernarvonshire, Cwm Idwal | Thomas Jackson Foggitt | Douglas Montague Heath
T Foggitt | 18/6/1908 | BIRM |
