Medlar
- Peak month
- September
- Records since 2000
- 302
- Scientific name
- Mespilus germanica
Small Pondweed
- Peak month
- July
- Records since 2000
- 302
- Scientific name
- Potamogeton berchtoldii
Redhot poker
- Peak month
- June
- Records since 2000
- 299
- Scientific name
- Kniphofia uvaria
Smith's Pepperwort
- Peak month
- May
- Records since 2000
- 299
- Scientific name
- Lepidium heterophyllum
Tulip poplar
- Peak month
- August
- Records since 2000
- 299
- Scientific name
- Liriodendron tulipifera
Colchis ivy
- Peak month
- April
- Records since 2000
- 298
- Scientific name
- Hedera colchica
Broom teatree
- Peak month
- June
- Records since 2000
- 296
- Scientific name
- Leptospermum scoparium
Papaver atlanticum
- Peak month
- May
- Records since 2000
- 295
- Group
- Flowering plants
Stone Bramble
- Peak month
- August
- Records since 2000
- 295
- Scientific name
- Rubus saxatilis
Yellow Star-of-Bethlehem
- Peak month
- March
- Records since 2000
- 295
- Scientific name
- Gagea lutea
Broad Bean
- Peak month
- May
- Records since 2000
- 294
- Scientific name
- Vicia faba
Fibrous Tussock-sedge
- Peak month
- August
- Records since 2000
- 294
- Scientific name
- Carex appropinquata
Bellardia viscosa
- Peak month
- July
- Records since 2000
- 292
- Group
- Flowering plants
Empetrum hermaphroditum
- Peak month
- July
- Records since 2000
- 291
- Group
- Flowering plants
Many-stalked Spike-rush
- Peak month
- June
- Records since 2000
- 291
- Scientific name
- Eleocharis multicaulis
Woolly hedgenettle
- Peak month
- June
- Records since 2000
- 291
- Scientific name
- Stachys byzantina
Giant goldenrod
- Peak month
- August
- Records since 2000
- 289
- Scientific name
- Solidago gigantea
Wild Liquorice
- Peak month
- June
- Records since 2000
- 288
- Scientific name
- Astragalus glycyphyllos
Lizard orchid
- Peak month
- June
- Records since 2000
- 286
- Scientific name
- Himantoglossum hircinum
Guizotia abyssinica
- Peak month
- September
- Records since 2000
- 285
- Group
- Flowering plants
Dwarf Cherry
- Peak month
- April
- Records since 2000
- 284
- Scientific name
- Prunus cerasus
Fine-leaved Water-dropwort
- Peak month
- July
- Records since 2000
- 284
- Scientific name
- Oenanthe aquatica
Hairy Michaelmas daisy
- Peak month
- October
- Records since 2000
- 284
- Scientific name
- Symphyotrichum novae-angliae
Wood vetch
- Peak month
- June
- Records since 2000
- 284
- Scientific name
- Vicia sylvatica
Cotoneaster integrifolius
- Peak month
- July
- Records since 2000
- 283
- Group
- Flowering plants
Garden Angelica
- Peak month
- June
- Records since 2000
- 283
- Scientific name
- Angelica archangelica
Wood calamint
- Peak month
- August
- Records since 2000
- 283
- Scientific name
- Clinopodium menthifolium
Red Hemp-nettle
- Peak month
- August
- Records since 2000
- 282
- Scientific name
- Galeopsis angustifolia
Subterranean Clover
- Peak month
- May
- Records since 2000
- 282
- Scientific name
- Trifolium subterraneum
Common Glasswort
- Peak month
- September
- Records since 2000
- 281
- Scientific name
- Salicornia europaea
European mallow
- Peak month
- July
- Records since 2000
- 281
- Scientific name
- Malva alcea
Eggleaf spurge
- Peak month
- May
- Records since 2000
- 280
- Scientific name
- Euphorbia oblongata
Lesser Water-plantain
- Peak month
- June
- Records since 2000
- 279
- Scientific name
- Baldellia ranunculoides
Keeled-fruited Cornsalad
- Peak month
- May
- Records since 2000
- 278
- Scientific name
- Valerianella carinata
River Water-Crowfoot
- Peak month
- August
- Records since 2000
- 277
- Scientific name
- Ranunculus fluitans
Burnt Orchid
- Peak month
- June
- Records since 2000
- 276
- Scientific name
- Neotinea ustulata
Grey Poplar
- Peak month
- May
- Records since 2000
- 276
- Scientific name
- Populus canescens
Pinnate dahlia
- Peak month
- August
- Records since 2000
- 275
- Scientific name
- Dahlia pinnata
Round-leaved Wintergreen
- Peak month
- July
- Records since 2000
- 275
- Scientific name
- Pyrola rotundifolia
Glebionis coronaria
- Peak month
- July
- Records since 2000
- 274
- Group
- Flowering plants
Sand Cat's-tail
- Peak month
- June
- Records since 2000
- 273
- Scientific name
- Phleum arenarium
Tall tutsan
- Peak month
- July
- Records since 2000
- 273
- Scientific name
- Hypericum inodorum
Wood Stitchwort
- Peak month
- May
- Records since 2000
- 273
- Scientific name
- Stellaria nemorum
Blunt-fruited Water-starwort
- Peak month
- August
- Records since 2000
- 272
- Scientific name
- Callitriche obtusangula
Galingale
- Peak month
- August
- Records since 2000
- 272
- Scientific name
- Cyperus longus
Bistorta amplexicaulis
- Peak month
- July
- Records since 2000
- 270
- Group
- Flowering plants
Hypericum hidcoteense
- Peak month
- July
- Records since 2000
- 269
- Group
- Flowering plants
Hottentot fig
- Peak month
- May
- Records since 2000
- 268
- Scientific name
- Carpobrotus edulis