| Galeopsis tetrahit | GB, VC17 Surrey, Newlands Corner | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 2/8/1936 | K |
| Ajuga reptans | GB, VC24 Buckinghamshire, Bledlow | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 15/5/1938 | K |
| Ajuga reptans | GB, VC24 Buckinghamshire, Radnage | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 15/5/1938 | K |
| Veronica scutellata | IE, VCH1 South Kerry, Kenmare | Brian Lawrence Burtt Stella Ross-Craig | | 13/6/1938 | K |
| Veronica beccabunga | IE, VCH1 South Kerry, Kenmare | Brian Lawrence Burtt Stella Ross-Craig | | 13/6/1938 | K |
| Scrophularia nodosa | IE, VCH1 South Kerry, Kenmare | Brian Lawrence Burtt Stella Ross-Craig | | 15/6/1938 | K |
| Scrophularia nodosa | IE, VCH1 South Kerry, Killarney | Brian Lawrence Burtt Stella Ross-Craig | | 15/6/1938 | K |
| Cymbalaria muralis | IE, VCH1 South Kerry, Killarney | Brian Lawrence Burtt Stella Ross-Craig | | 18/6/1938 | K |
| Cymbalaria muralis | IE, VCH1 South Kerry, Killarney | Brian Lawrence Burtt Stella Ross-Craig | | 18/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Cummeenduff Glen | Brian Lawrence Burtt Stella Ross-Craig | | 19/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Cummeenduff Glen | Brian Lawrence Burtt Stella Ross-Craig | | 19/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Cummeenduff Glen | Brian Lawrence Burtt Stella Ross-Craig | | 19/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Cummeenduff Glen | Brian Lawrence Burtt Stella Ross-Craig | | 19/6/1938 | K |
| Veronica serpyllifolia | IE, VCH1 South Kerry, Connor Hill | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 26/6/1938 | K |
| Habenaria viride | IE, VCH1 South Kerry, Ventry Harbour | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 27/6/1938 | K |
| Plantago coronopus | IE, VCH1 South Kerry, Ventry Harbour | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 28/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Ventry Harbour | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 28/6/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH1 South Kerry, Ventry Harbour | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 28/6/1938 | K |
| Plantago maritima | IE, VCH1 South Kerry, Ventry | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 29/6/1938 | K |
| Plantago lanceolata var. sphaerostachya | IE, VCH1 South Kerry, Great Blasket Island | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 1/7/1938 | K |
| Plantago coronopus | IE, VCH1 South Kerry, Great Blasket Island | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 1/7/1938 | K |
| Primula vulgaris | IE, VCH1 South Kerry, Dingle | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 5/7/1938 | K |
| Sibthorpia europaea | IE, VCH1 South Kerry, Dingle | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 6/7/1938 | K |
| Thymus praecox subsp. arcticus | IE, Kerry, Caherbla | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 8/7/1938 | K |
| Baldellia ranunculoides | IE, VCH1 South Kerry, Castlegregory | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 9/7/1938 | K |
| Baldellia ranunculoides | IE, VCH1 South Kerry, Castlegregory | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 9/7/1938 | K |
| Plantago maritima | IE, VCH1 South Kerry, Great Blasket Island | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 12/7/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH2 North Kerry, Killarney, Muckross | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 14/7/1938 | K |
| Festuca arundinacea | IE, VCH2 North Kerry, Muckross | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 14/7/1938 | K |
| Thymus praecox subsp. arcticus | IE, VCH2 North Kerry, Muckross | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 14/7/1938 | K |
| Plantago major | GB, VC6 North Somerset, Cheddar Gorge | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 9/7/1939 | K |
| Linaria arenaria | GB, VC4 North Devon, Braunton Burrows | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 21/6/1940 | K |
| Linaria arenaria | GB, VC4 North Devon, Braunton Burrows | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 21/6/1940 | K |
| Misopates orontium | GB, VC4 North Devon, Braunton | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 22/6/1940 | K |
| Antirrhinum orontium | GB, VC4 North Devon, Braunton | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 22/6/1940 | K |
| Scutellaria galericulata | GB, VC4 North Devon, Braunton Burrows | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 26/6/1940 | K |
| Festuca arundinacea | GB, VC17 Surrey, Richmond | Brian Lawrence Burtt | | 10/7/1940 | K |
| Stachys arvensis | GB, VC19 North Essex, Frinton GB, VC19 North Essex, Great Holland | Brian Lawrence Burtt | | 5/9/1946 | K |
| Bupleurum tenuissimum | GB, VC19 North Essex, Frinton-on-Sea | Brian Lawrence Burtt | | 7/9/1946 | K |
| Carex panicea | GB, VC22 Berkshire, Heathlands | Brian Lawrence Burtt | | 10/5/1947 | E |