Slender St John's-wort
- Peak month
- July
- Records since 2000
- 3,625
- Scientific name
- Hypericum pulchrum
Beaked Corydalis
- Peak month
- May
- Records since 2000
- 3,624
- Scientific name
- Pseudofumaria lutea
Water Avens
- Peak month
- May
- Records since 2000
- 3,609
- Scientific name
- Geum rivale
Velvet Bent
- Peak month
- July
- Records since 2000
- 3,598
- Scientific name
- Agrostis canina
Deergrass
- Peak month
- June
- Records since 2000
- 3,568
- Scientific name
- Trichophorum cespitosum
Marsh Willowherb
- Peak month
- July
- Records since 2000
- 3,567
- Scientific name
- Epilobium palustre
Sessile Oak
- Peak month
- May
- Records since 2000
- 3,548
- Scientific name
- Quercus petraea
Greater Knapweed
- Peak month
- July
- Records since 2000
- 3,533
- Scientific name
- Centaurea scabiosa
Sun Spurge
- Peak month
- July
- Records since 2000
- 3,518
- Scientific name
- Euphorbia helioscopia
Wild Basil
- Peak month
- July
- Records since 2000
- 3,508
- Scientific name
- Clinopodium vulgare
White Stonecrop
- Peak month
- July
- Records since 2000
- 3,501
- Scientific name
- Sedum album
Field-rose
- Peak month
- June
- Records since 2000
- 3,485
- Scientific name
- Rosa arvensis
Redclaws
- Peak month
- June
- Records since 2000
- 3,476
- Scientific name
- Escallonia rubra
Sea campion
- Peak month
- May
- Records since 2000
- 3,472
- Scientific name
- Silene uniflora
Bog Stitchwort
- Peak month
- June
- Records since 2000
- 3,454
- Scientific name
- Stellaria alsine
Musk-mallow
- Peak month
- July
- Records since 2000
- 3,454
- Scientific name
- Malva moschata
Butterbur [plant]
- Peak month
- April
- Records since 2000
- 3,451
- Scientific name
- Petasites hybridus
Hairy Whitlowgrass
- Peak month
- March
- Records since 2000
- 3,432
- Scientific name
- Draba verna
Pink Purslane
- Peak month
- May
- Records since 2000
- 3,424
- Scientific name
- Claytonia sibirica
Biting Stonecrop
- Peak month
- June
- Records since 2000
- 3,420
- Scientific name
- Sedum acre
Danish Scurvygrass
- Peak month
- April
- Records since 2000
- 3,402
- Scientific name
- Cochlearia danica
European Plum
- Peak month
- August
- Records since 2000
- 3,398
- Scientific name
- Prunus domestica
White Bedstraw
- Peak month
- June
- Records since 2000
- 3,391
- Scientific name
- Galium album
Welsh Poppy
- Peak month
- May
- Records since 2000
- 3,384
- Scientific name
- Papaver cambricum
Orange Balsam
- Peak month
- August
- Records since 2000
- 3,382
- Scientific name
- Impatiens capensis
Navelwort
- Peak month
- June
- Records since 2000
- 3,375
- Scientific name
- Umbilicus rupestris
Dandelion
- Peak month
- April
- Records since 2000
- 3,371
- Scientific name
- Taraxacum officinale
Turkey Oak
- Peak month
- August
- Records since 2000
- 3,367
- Scientific name
- Quercus cerris
Pellitory-of-the-wall
- Peak month
- April
- Records since 2000
- 3,346
- Scientific name
- Parietaria judaica
Heath Milkwort
- Peak month
- June
- Records since 2000
- 3,336
- Scientific name
- Polygala serpyllifolia
Common Butterwort
- Peak month
- June
- Records since 2000
- 3,325
- Scientific name
- Pinguicula vulgaris
Bog-myrtle
- Peak month
- August
- Records since 2000
- 3,321
- Scientific name
- Myrica gale
Giant Blackberry
- Peak month
- February
- Records since 2000
- 3,291
- Scientific name
- Rubus ulmifolius
Water-plantain
- Peak month
- July
- Records since 2000
- 3,208
- Scientific name
- Alisma plantago-aquatica
Oxford Ragwort
- Peak month
- April
- Records since 2000
- 3,206
- Scientific name
- Senecio squalidus
Gooseberry
- Peak month
- April
- Records since 2000
- 3,200
- Scientific name
- Ribes uva-crispa
Sanicle
- Peak month
- May
- Records since 2000
- 3,193
- Scientific name
- Sanicula europaea
Black Nightshade
- Peak month
- August
- Records since 2000
- 3,192
- Scientific name
- Solanum nigrum
Spiny Restharrow
- Peak month
- July
- Records since 2000
- 3,187
- Scientific name
- Ononis spinosa
Common Twayblade
- Peak month
- June
- Records since 2000
- 3,186
- Scientific name
- Neottia ovata
Toad Rush
- Peak month
- July
- Records since 2000
- 3,158
- Scientific name
- Juncus bufonius
Sea-kale
- Peak month
- May
- Records since 2000
- 3,139
- Scientific name
- Crambe maritima
Common Rock-rose
- Peak month
- June
- Records since 2000
- 3,136
- Scientific name
- Helianthemum nummularium
Hoary Willowherb
- Peak month
- July
- Records since 2000
- 3,116
- Scientific name
- Epilobium parviflorum
Great Burnet
- Peak month
- July
- Records since 2000
- 3,110
- Scientific name
- Sanguisorba officinalis
Crab Apple
- Peak month
- August
- Records since 2000
- 3,104
- Scientific name
- Malus sylvestris
Yellow Loosestrife
- Peak month
- July
- Records since 2000
- 3,088
- Scientific name
- Lysimachia vulgaris
Bogbean
- Peak month
- July
- Records since 2000
- 3,067
- Scientific name
- Menyanthes trifoliata