| Symphytum officinale | GB, VC46 Cardiganshire, Rhos Fullbrook | Andrew David Quentin Agnew | | 11/6/1999 | ABS |
| Symphytum orientale | GB, VC17 Surrey, Brixton | Peter Charles Holland | Peter Charles Holland | 31/5/1976 | SLBI |
| Symphytum tuberosum | GB, VC43 Radnorshire, Newbridge on Wye | M Hildred Bigwood | | 8/1975 | ABS |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC59 South Lancashire, Didsbury | John Norton Mills | John Norton Mills | 21/6/1969 | MANCH |
| Symphytum officinale | GB, VC20 Hertfordshire, Cheshunt | R Madden | | 5/8/1964 | ABS |
| Symphytum officinale x asperum = S. x uplandicum | IE, VCH15 South-east Galway, Laban | Michael Edward Mitchell | | 4/6/1964 | GALW |
| Symphytum officinale x asperum = S. x uplandicum | IE, VCH15 South-east Galway, Laban | Michael Edward Mitchell | | 4/6/1964 | GALW |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC1 West Cornwall, Isles of Scilly,Tresco | D A J Little | | 6/1963 | ABS |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Styal | John Norton Mills | John Norton Mills | 1963 | MANCH |
| Symphytum officinale | GB, VC39 Staffordshire, Barton-under-Needwood | Duncan Rockliff Smallwood | | 21/8/1962 | ABS |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC62 North-east Yorkshire, Rievaulx | John Norton Mills | John Norton Mills | 15/8/1962 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC64 Mid-west Yorkshire, Rievaulx | John Norton Mills | John Norton Mills | 15/8/1962 | MANCH |
| Symphytum officinale | GB, VC3 South Devon, Newton Poppleford | Susan Branford | | 8/1962 | BIRM |
| Symphytum tuberosum | GB, North Yorkshire, Kiplin | Job Edward Lousley | Job Edward Lousley | 5/1962 | SLBI |
| Symphytum | GB, VC14 East Sussex, Cross in Hand | Arthur C Hackett | Arthur C Hackett | 20/5/1960 | BIRM |
| Symphytum officinale | GB, VC35 Monmouthshire, Garndiffaith, Pontypool | J P Thomas | | 22/9/1959 | ABS |
| Symphytum officinale | GB, VC6 North Somerset, Long Sutton | Janet Hunt | | 9/1959 | ABS |
| Symphytum officinale | GB, VC42 Breconshire, Brecon | D A Perks | | 5/8/1959 | ABS |
| Symphytum grandiflorum | GB, VC38 Warwickshire, Monks Kirby | M Jones | Flora of Warwickshire Voucher Specimen | 24/4/1959 | BIRM |
| Symphytum officinale | GB, VC41 Glamorganshire, Gowerton | H Williams | | 1/8/1958 | ABS |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC17 Surrey, Cheam | Charles Avery | | 16/6/1957 | SLBI |
| Symphytum | GB, VC38 Warwickshire, Heathcote Green | C Rose S Wright | Flora of Warwickshire Voucher Specimen | 5/5/1957 | BIRM |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC38 Warwickshire, Sherbourne | John Gregory Hawkes | Flora of Warwickshire Voucher Specimen | 5/5/1957 | BIRM |
| Symphytum orientale | GB, VC17 Surrey, Putney Heath | Charles Avery | | 26/4/1957 | SLBI |
| Symphytum officinale | GB, VC17 Surrey, Morden Hall Park | Charles Avery | Charles Avery | 12/4/1957 | SLBI |
| Symphytum officinale x asperum = S. x uplandicum | Castle Eyre | | | 1957 | GALW |
| Symphytum officinale | GB, VC38 Warwickshire, Edgbaston | Christina Mayne Dony | Flora of Warwickshire Voucher Specimen | 1/9/1956 | BIRM |
| Symphytum | GB, VC38 Warwickshire, Edgbaston | Christina Mayne Dony | Flora of Warwickshire Voucher Specimen | 31/8/1956 | BIRM |
| Symphytum officinale | GB, VC38 Warwickshire, Winyates | Christina Mayne Dony M Cotton | Flora of Warwickshire Voucher Specimen | 26/8/1956 | BIRM |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC38 Warwickshire, Winyates | Christina Mayne Dony M Cotton | Flora of Warwickshire Voucher Specimen | 26/8/1956 | BIRM |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC17 Surrey, Mitcham Common | Charles Avery | Charles Avery | 25/5/1956 | SLBI |
| Symphytum | GB, VC38 Warwickshire, Shotteswell | Dorothy Adlington Cadbury | Flora of Warwickshire Voucher Specimen | 23/9/1954 | BIRM |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Lindow Common | Effie Moira Rosser | | 6/7/1954 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Lindow Common | Effie Moira Rosser | | 6/7/1954 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Lindow Common | Effie Moira Rosser | | 6/7/1954 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Lindow Common | Effie Moira Rosser | | 6/7/1954 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Lindow Common | Effie Moira Rosser | | 6/7/1954 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC59 South Lancashire, Southport | Effie Moira Rosser | | 6/6/1954 | MANCH |
| Symphytum tuberosum | GB, VC38 Warwickshire, Farnborough | Dorothy Adlington Cadbury | Flora of Warwickshire Voucher Specimen | 15/5/1954 | BIRM |
| Symphytum tuberosum | GB, VC95 Moray, Garmouth | Job Edward Lousley | Job Edward Lousley | 3/7/1953 | SLBI |