Slender Tufted-sedge
- Peak month
- June
- Records since 2000
- 394
- Scientific name
- Carex acuta
Virginia creeper
- Peak month
- August
- Records since 2000
- 394
- Scientific name
- Parthenocissus quinquefolia
Alternate-leaved Golden-saxifrage
- Peak month
- April
- Records since 2000
- 393
- Scientific name
- Chrysosplenium alternifolium
Frosted Orache
- Peak month
- August
- Records since 2000
- 393
- Scientific name
- Atriplex laciniata
Ivy-leaved Crowfoot
- Peak month
- May
- Records since 2000
- 393
- Scientific name
- Ranunculus hederaceus
Fly Orchid
- Peak month
- May
- Records since 2000
- 389
- Scientific name
- Ophrys insectifera
Hieracium lachenalii
- Peak month
- June
- Records since 2000
- 389
- Group
- Flowering plants
Lesser Twayblade
- Peak month
- July
- Records since 2000
- 389
- Scientific name
- Neottia cordata
Russian olive
- Peak month
- September
- Records since 2000
- 389
- Scientific name
- Elaeagnus pungens
Prickly saltwort
- Peak month
- September
- Records since 2000
- 388
- Scientific name
- Salsola kali
Trocdaris verticillatum
- Peak month
- July
- Records since 2000
- 387
- Group
- Flowering plants
Long-bracted Sedge
- Peak month
- August
- Records since 2000
- 386
- Scientific name
- Carex extensa
Cornelian cherry
- Peak month
- February
- Records since 2000
- 385
- Scientific name
- Cornus mas
Shepherd's cress
- Peak month
- April
- Records since 2000
- 385
- Scientific name
- Teesdalia nudicaulis
Arctium nemorosum
- Peak month
- May
- Records since 2000
- 384
- Group
- Flowering plants
Perfoliate Pondweed
- Peak month
- August
- Records since 2000
- 384
- Scientific name
- Potamogeton perfoliatus
Field Mouse-ear
- Peak month
- May
- Records since 2000
- 383
- Scientific name
- Cerastium arvense
Melilotus officinalis
- Peak month
- July
- Records since 2000
- 382
- Group
- Flowering plants
Sweet-briar
- Peak month
- June
- Records since 2000
- 380
- Scientific name
- Rosa rubiginosa
Wormwood
- Peak month
- July
- Records since 2000
- 380
- Scientific name
- Artemisia absinthium
Hairy Stonecrop
- Peak month
- July
- Records since 2000
- 379
- Scientific name
- Sedum villosum
Coralroot
- Peak month
- April
- Records since 2000
- 376
- Scientific name
- Cardamine bulbifera
Noble yarrow
- Peak month
- July
- Records since 2000
- 375
- Scientific name
- Achillea nobilis
Sherard's Downy-rose
- Peak month
- September
- Records since 2000
- 373
- Scientific name
- Rosa sherardii
Cupid's dart
- Peak month
- July
- Records since 2000
- 372
- Scientific name
- Catananche caerulea
London Plane
- Peak month
- October
- Records since 2000
- 371
- Scientific name
- Platanus hispanica
Harestail grass
- Peak month
- July
- Records since 2000
- 369
- Scientific name
- Lagurus ovatus
Corn,
- Peak month
- July
- Records since 2000
- 368
- Scientific name
- Zea mays
Parsley Water-dropwort
- Peak month
- August
- Records since 2000
- 368
- Scientific name
- Oenanthe lachenalii
Bog Bilberry
- Peak month
- August
- Records since 2000
- 365
- Scientific name
- Vaccinium uliginosum
Narrow-leaved Bird's-foot-trefoil
- Peak month
- August
- Records since 2000
- 365
- Scientific name
- Lotus tenuis
Iceland-purslane
- Peak month
- July
- Records since 2000
- 364
- Scientific name
- Koenigia islandica
Oxygen-weed
- Peak month
- July
- Records since 2000
- 363
- Scientific name
- Lagarosiphon major
Solomon's-seal
- Peak month
- May
- Records since 2000
- 363
- Scientific name
- Polygonatum multiflorum
Cabbage tree
- Peak month
- June
- Records since 2000
- 362
- Scientific name
- Cordyline australis
Wood Club-rush
- Peak month
- June
- Records since 2000
- 362
- Scientific name
- Scirpus sylvaticus
Creeping Yellow-cress
- Peak month
- July
- Records since 2000
- 361
- Scientific name
- Rorippa sylvestris
Orpine
- Peak month
- August
- Records since 2000
- 360
- Scientific name
- Hylotelephium telephium
Knotted Pearlwort
- Peak month
- July
- Records since 2000
- 357
- Scientific name
- Sagina nodosa
Albanian spurge
- Peak month
- April
- Records since 2000
- 355
- Scientific name
- Euphorbia characias
Great Yellow-cress
- Peak month
- June
- Records since 2000
- 354
- Scientific name
- Rorippa amphibia
Tamarix gallica
- Peak month
- June
- Records since 2000
- 354
- Group
- Flowering plants
Common evening primrose
- Peak month
- July
- Records since 2000
- 353
- Scientific name
- Oenothera biennis
Dwarf honeysuckle
- Peak month
- July
- Records since 2000
- 353
- Scientific name
- Lonicera xylosteum
Menzies' fiddleneck
- Peak month
- June
- Records since 2000
- 353
- Scientific name
- Amsinckia menziesii
Thin-spiked Wood-sedge
- Peak month
- May
- Records since 2000
- 353
- Scientific name
- Carex strigosa
Four o'Clock flower
- Peak month
- August
- Records since 2000
- 352
- Scientific name
- Mirabilis jalapa
Common Eyebright
- Peak month
- August
- Records since 2000
- 351
- Scientific name
- Euphrasia nemorosa