Sea Spurge
- Peak month
- July
- Records since 2000
- 1,096
- Scientific name
- Euphorbia paralias
Sainfoin
- Peak month
- June
- Records since 2000
- 1,094
- Scientific name
- Onobrychis viciifolia
Wood Meadow-grass
- Peak month
- June
- Records since 2000
- 1,094
- Scientific name
- Poa nemoralis
Common Ramping-fumitory
- Peak month
- May
- Records since 2000
- 1,092
- Scientific name
- Fumaria muralis
Imperforate St John's-wort
- Peak month
- July
- Records since 2000
- 1,090
- Scientific name
- Hypericum maculatum
Dusky Crane's-bill
- Peak month
- May
- Records since 2000
- 1,089
- Scientific name
- Geranium phaeum
Common Whitebeam
- Peak month
- May
- Records since 2000
- 1,087
- Scientific name
- Aria edulis
Black-grass
- Peak month
- June
- Records since 2000
- 1,086
- Scientific name
- Alopecurus myosuroides
French Crane's-bill
- Peak month
- June
- Records since 2000
- 1,083
- Scientific name
- Geranium endressii
Greater Tussock-sedge
- Peak month
- June
- Records since 2000
- 1,078
- Scientific name
- Carex paniculata
Swedish whitebeam
- Peak month
- August
- Records since 2000
- 1,076
- Scientific name
- Scandosorbus intermedia
Thorn-apple
- Peak month
- August
- Records since 2000
- 1,075
- Scientific name
- Datura stramonium
Himalayan cotoneaster
- Peak month
- September
- Records since 2000
- 1,073
- Scientific name
- Cotoneaster simonsii
Rubus horrefactus
- Peak month
- August
- Records since 2000
- 1,072
- Group
- Flowering plants
Tree-of-Heaven
- Peak month
- July
- Records since 2000
- 1,067
- Scientific name
- Ailanthus altissima
Tawny Sedge
- Peak month
- July
- Records since 2000
- 1,065
- Scientific name
- Carex hostiana
Beta maritima
- Peak month
- June
- Records since 2000
- 1,064
- Group
- Flowering plants
Tufted bulrush
- Peak month
- June
- Records since 2000
- 1,055
- Scientific name
- Trichophorum caespitosum
Crested Hair-grass
- Peak month
- June
- Records since 2000
- 1,054
- Scientific name
- Koeleria macrantha
Downy alpine oat grass
- Peak month
- June
- Records since 2000
- 1,039
- Scientific name
- Avenula pubescens
Lesser Sea-spurrey
- Peak month
- July
- Records since 2000
- 1,038
- Scientific name
- Spergularia marina
Rape
- Peak month
- May
- Records since 2000
- 1,037
- Scientific name
- Brassica napus
Slender Rush
- Peak month
- August
- Records since 2000
- 1,026
- Scientific name
- Juncus tenuis
Common Bistort
- Peak month
- May
- Records since 2000
- 1,020
- Scientific name
- Bistorta officinalis
Spotted-laurel
- Peak month
- March
- Records since 2000
- 1,006
- Scientific name
- Aucuba japonica
Cloudberry
- Peak month
- June
- Records since 2000
- 1,005
- Scientific name
- Rubus chamaemorus
New Zealand broadleaf
- Peak month
- September
- Records since 2000
- 1,003
- Scientific name
- Griselinia littoralis
Broad-leaved Everlasting-pea
- Peak month
- July
- Records since 2000
- 999
- Scientific name
- Lathyrus latifolius
Brown Bent
- Peak month
- July
- Records since 2000
- 995
- Scientific name
- Agrostis vinealis
Tree-mallow
- Peak month
- June
- Records since 2000
- 991
- Scientific name
- Malva arborea
Chinese bramble
- Peak month
- August
- Records since 2000
- 990
- Scientific name
- Rubus tricolor
Purple Small-reed
- Peak month
- August
- Records since 2000
- 989
- Scientific name
- Calamagrostis canescens
Black Currant
- Peak month
- July
- Records since 2000
- 988
- Scientific name
- Ribes nigrum
Fen Bedstraw
- Peak month
- July
- Records since 2000
- 986
- Scientific name
- Galium uliginosum
Cyperus Sedge
- Peak month
- July
- Records since 2000
- 985
- Scientific name
- Carex pseudocyperus
Horseshoe Vetch
- Peak month
- May
- Records since 2000
- 982
- Scientific name
- Hippocrepis comosa
Fringed Loosestrife
- Peak month
- July
- Records since 2000
- 979
- Scientific name
- Lysimachia ciliata
Hawkweed Oxtongue
- Peak month
- August
- Records since 2000
- 977
- Scientific name
- Picris hieracioides
Cabbage
- Peak month
- July
- Records since 2000
- 966
- Scientific name
- Brassica oleracea
Wallflower
- Peak month
- April
- Records since 2000
- 963
- Scientific name
- Erysimum cheiri
Common Scurvygrass
- Peak month
- May
- Records since 2000
- 958
- Scientific name
- Cochlearia officinalis
Great Lettuce
- Peak month
- July
- Records since 2000
- 956
- Scientific name
- Lactuca virosa
Early Marsh-orchid
- Peak month
- June
- Records since 2000
- 950
- Scientific name
- Dactylorhiza incarnata
Cinnamon-root
- Peak month
- August
- Records since 2000
- 948
- Scientific name
- Pentanema squarrosum
Salmonberry
- Peak month
- April
- Records since 2000
- 948
- Scientific name
- Rubus spectabilis
Pale Persicaria
- Peak month
- August
- Records since 2000
- 945
- Scientific name
- Persicaria lapathifolia
Dyer's Greenweed
- Peak month
- June
- Records since 2000
- 944
- Scientific name
- Genista tinctoria
Bearded Couch
- Peak month
- July
- Records since 2000
- 942
- Scientific name
- Elymus caninus