| Lamium album | GB, VC21 Middlesex, South Mimms | Joseph Robert Sealy | | 19/5/1929 | K |
| Lamium album | GB, VC20,VC21, South Mimms | Joseph Robert Sealy | | 6/1929 | K |
| Lamium galeobdolon subsp. montanum | GB, VC21 Middlesex, South Mimms | Joseph Robert Sealy | | 21/5/1929 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew Gardens | Joseph Robert Sealy | | 9/4/1936 | K |
| Orchis morio | GB, VC17 Surrey, Wisley Common | Joseph Robert Sealy | | 27/5/1928 | K |
| Plantago coronopus | GB, VC45 Pembrokeshire, Saint David's Head | Joseph Robert Sealy | | 11/9/1949 | K |
| Plantago lanceolata | GB, VC17 Surrey, Ham | Joseph Robert Sealy | | 14/7/1929 | K |
| Veronica chamaedrys | VC20, South Mimms | Joseph Robert Sealy | | 19/5/1929 | K |
| Ajuga reptans | GB, VC17 Surrey, Farthing Downs | Joseph Robert Sealy Stella Ross-Craig | | 13/6/1965 | K |
| Baldellia ranunculoides | IE, VCH1 South Kerry, Ballyferriter | Joseph Robert Sealy Stella Ross-Craig | | 2/7/1938 | K |
| Baldellia ranunculoides | IE, VCH16 West Galway, Lough Nalawney | Joseph Robert Sealy Stella Ross-Craig | | 16/7/1946 | K |
| Ballota nigra | GB, VC17 Surrey, Kingston | Joseph Robert Sealy Stella Ross-Craig | | 20/6/1965 | K |
| Ballota nigra | GB, VC17 Surrey, Kingston | Joseph Robert Sealy Stella Ross-Craig | | 20/6/1965 | K |
| Ballota nigra | GB, VC21 Middlesex, Hampton Court | Joseph Robert Sealy Stella Ross-Craig | | 20/6/1965 | K |
| Callitriche platycarpa | GB, VC17 Surrey, Richmond Park | Joseph Robert Sealy Stella Ross-Craig | | 19/5/1956 | K |
| Callitriche platycarpa | GB, VC17 Surrey, Richmond Park | Joseph Robert Sealy Stella Ross-Craig | | 19/5/1956 | K |
| Callitriche platycarpa | GB, VC17 Surrey, Shere | Joseph Robert Sealy Stella Ross-Craig | | 24/6/1956 | K |
| Callitriche platycarpa | GB, VC17 Surrey, Shere | Joseph Robert Sealy Stella Ross-Craig | | 24/6/1956 | K |
| Callitriche stagnalis | GB, VC17 Surrey, Shere | Joseph Robert Sealy Stella Ross-Craig | | 24/6/1956 | K |
| Carex leporina | IE, VCH27 West Mayo, Mulrany | Joseph Robert Sealy Stella Ross-Craig | Royal Botanic Gardens, Kew | 20/8/1947 | E |
| Cymbalaria muralis | GB, VC17 Surrey, Petersham | Joseph Robert Sealy Stella Ross-Craig | | 12/8/1944 | K |
| Cymbalaria muralis | IE, VCH16 West Galway, Roundstone | Joseph Robert Sealy Stella Ross-Craig | | 19/7/1946 | K |
| Erinus alpinus | IE, VCH9 Co. Clare, Ballyvaughan | Joseph Robert Sealy Stella Ross-Craig | | 22/7/1946 | K |
| Fraxinus excelsior | GB, VC17 Surrey, East Horsley | Joseph Robert Sealy Stella Ross-Craig | | 5/4/1936 19/4/1936 | K |
| Galeopsis angustifolia | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 16/9/1934 | K |
| Galeopsis tetrahit | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 25/7/1948 | K |
| Galeopsis tetrahit | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 25/7/1948 | K |
| Galeopsis tetrahit | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 25/7/1948 | K |
| Galeopsis tetrahit | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 25/7/1948 | K |
| Galeopsis tetrahit | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 25/8/1948 | K |
| Glechoma hederacea | IE, VCH38 Co. Down, Rostrevor | Joseph Robert Sealy Stella Ross-Craig | | 25/6/1952 | K |
| Kickxia elatine subsp. elatine | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 18/7/1943 | K |
| Kickxia elatine subsp. elatine | GB, VC17 Surrey, West Horsley | Joseph Robert Sealy Stella Ross-Craig | | 18/7/1943 | K |
| Kickxia spuria | GB, VC17 Surrey, Hackhurst Downs | Joseph Robert Sealy Stella Ross-Craig | | 18/7/1943 | K |
| Kickxia spuria | GB, VC17 Surrey, West Horsley | Joseph Robert Sealy Stella Ross-Craig | | 18/7/1943 | K |
| Lamium album | GB, VC17 Surrey, Kew Gardens | Joseph Robert Sealy Stella Ross-Craig | | 7/5/1945 | K |
| Lamium galeobdolon subsp. montanum | GB, VC17 Surrey, Mickleham Downs | Joseph Robert Sealy Stella Ross-Craig | | 18/8/1929 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew | Joseph Robert Sealy Stella Ross-Craig | | 2/4/1966 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew Gardens | Joseph Robert Sealy Stella Ross-Craig | | 2/4/1966 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew Gardens | Joseph Robert Sealy Stella Ross-Craig | | 2/4/1966 | K |