| Mentha spicata x suaveolens = M. x villosa | GB, VC24 Buckinghamshire, Kimble | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Joseph Edward Little | 8/1911 | CGE |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC24 Buckinghamshire, between Kimble and Ellesborough | Frances Louisa Foord-Kelcey | Charles Bailey | 8/1911 | MANCH |
| Misopates orontium | GB, VC17 Surrey, Brooklands | Edward Foord-Kelcey | Watson Botanical Exchange Club Frances Louisa Foord-Kelcey George Claridge Druce | 15/7/1910 | K |
| Ophrys insectifera | GB, VC34 West Gloucestershire, Woodchester | Frances Louisa Foord-Kelcey | | 16/6/1904 | K |
| Orchis morio | GB, VC34 West Gloucestershire, Rodborough Common | Frances Louisa Foord-Kelcey | | 6/1904 | K |
| Orobanche elatior | GB, VC15 East Kent, Walmer | Frances Louisa Foord-Kelcey | Harold Stuart Thompson | 1/7/1907 | BIRM |
| Oxalis acetosella | GB, VC24 Buckinghamshire, Hampden Woods GB, VC24 Buckinghamshire, Kimble Cultivated | Frances Louisa Foord-Kelcey | | 5/1911 | MANCH |
| Phyllitis scolopendrium | GB, VC34 West Gloucestershire, Avening | Frances Louisa Foord-Kelcey | | 22/6/1908 | GLR |
+ | Phyteuma spicatum | GB, VC14 East Sussex, Hailsham | E Bray | Charles Bailey Frances Louisa Foord-Kelcey | 24/6/1908 | MANCH |
| Phyteuma spicatum | GB, VC14 East Sussex, Hailsham | E Bray | Watson Botanical Exchange Club Frances Louisa Foord-Kelcey William Robert Sherrin | 24/6/1908 | SLBI |
| Phyteuma spicatum | GB, VC14 East Sussex, Hailsham | Elizabeth Anne Bray | Augustin Ley Frances Louisa Foord-Kelcey | 24/6/1908 | BIRM |
| Plantago coronopus | GB, VC15 East Kent, Seabrook | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Albert Bruce Jackson Frances Louisa Foord-Kelcey | 15/7/1907 | K |
| Plantago coronopus | GB, VC15 East Kent, Seabrook | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Augustin Ley Frances Louisa Foord-Kelcey | 15/7/1907 | BIRM |
| Polygonum aviculare | GB, VC55 Leicestershire, Mountsorrel | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Augustin Ley Frances Louisa Foord-Kelcey | 3/9/1908 | BIRM |
| Polygonum aviculare | GB, VC57 Derbyshire | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley Frances Louisa Foord-Kelcey | 7/8/1908 | BIRM |
| Polygonum aviculare | GB, VC57 Derbyshire | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Augustin Ley Frances Louisa Foord-Kelcey | 7/8/1908 | BIRM |
| Populus nigra x deltoides = P. x canadensis | GB, VC55 Leicestershire, Quorn | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Charles Bailey Frances Louisa Foord-Kelcey | 13/4/1906 to 16/7/1906 | MANCH |
| Populus nigra x deltoides = P. x canadensis | GB, VC55 Leicestershire, Quorn | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Charles Bailey Frances Louisa Foord-Kelcey | 13/4/1906 to 16/7/1906 | MANCH |
| Populus nigra x deltoides = P. x canadensis | GB, VC55 Leicestershire, Quorndon | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Charles Bailey Frances Louisa Foord-Kelcey | 13/8/1907 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC24 Buckinghamshire, Wendover | Frances Louisa Foord-Kelcey | | | SLBI |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Quorndon | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 19/8/1907 | MANCH |
| Primula farinosa | GB, VC65 North-west Yorkshire, Aysgarth Falls | Thompson | Watson Botanical Exchange Club Frances Louisa Foord-Kelcey William Robert Sherrin | 25/5/1908 | SLBI |
| Primula vulgaris x veris = P. x polyantha | GB, VC34 West Gloucestershire, Minchinhampton | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Charles Bailey | 2/5/1904 | MANCH |
| Prunus domestica | GB, VC55 Leicestershire, Quorn | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley Frances Louisa Foord-Kelcey | 18/4/1907 to 28/7/1907 | BIRM |
| Pyrus communis | GB, VC24 Buckinghamshire, Kimble | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley | 12/5/1910 15/6/1910 | BIRM |
| Rubus diversus | GB, VC55 Leicestershire, Quorn | Albert Bruce Jackson | Watson Botanical Exchange Club Allan Octavian Hume Frances Louisa Foord-Kelcey William Moyle Rogers | 30/7/1905 | SLBI |
| Saxifraga spathularis | GB, VC57 Derbyshire, Ashwood Dale Cultivated | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley Frances Louisa Foord-Kelcey | 5/1906 | BIRM |
| Saxifraga umbrosa x spathularis = S. x urbium | GB, VC57 Derbyshire, Lover's Leap Cultivated | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Charles Bailey | 5/1906 | MANCH |
| Scabiosa atropurpurea | GB, VC15 East Kent, Pegwell Bay | Edward Foord-Kelcey | Watson Botanical Exchange Club Augustin Ley Frances Louisa Foord-Kelcey | 11/7/1906 | BIRM |
| Sedum rupestre | GB, VC6 North Somerset, Cheddar Cliffs | Frances Louisa Foord-Kelcey | Charles Edgar Salmon | 7/7/1904 | ABS |
| Seriphidium maritimum | GB, VC55 Leicestershire, Cropston | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Augustin Ley Frances Louisa Foord-Kelcey | 5/9/1908 | BIRM |
| Seriphidium maritimum | GB, VC55 Leicestershire, Cropston | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Frances Louisa Foord-Kelcey William Robert Sherrin | 5/9/1908 | SLBI |
| Silene nutans subsp. dubia | GB, VC15 East Kent, Sandgate | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Allan Octavian Hume | 6/7/1905 | SLBI |
| Silene vulgaris subsp. vulgaris | GB, VC34 West Gloucestershire, Minchinhampton | Edward Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley Frances Louisa Foord-Kelcey | 6/9/1906 | BIRM |
| Urtica dioica | GB, VC24 Buckinghamshire, Little Kimble | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Augustin Ley | 13/9/1910 | BIRM |
| Urtica dioica | GB, VC55 Leicestershire, Quorn | Frances Louisa Foord-Kelcey | Watson Botanical Exchange Club Harold Stuart Thompson Arthur Reginald Horwood | 31/7/1905 | BIRM |