Fringed Water-lily
- Peak month
- July
- Records since 2000
- 623
- Scientific name
- Nymphoides peltata
Stream Water-crowfoot
- Peak month
- August
- Records since 2000
- 622
- Scientific name
- Ranunculus penicillatus
Knotted Crane's-bill
- Peak month
- May
- Records since 2000
- 621
- Scientific name
- Geranium nodosum
Italian Rye-grass
- Peak month
- June
- Records since 2000
- 618
- Scientific name
- Lolium multiflorum
Rosy Garlic
- Peak month
- May
- Records since 2000
- 618
- Scientific name
- Allium roseum
Purple Toothwort
- Peak month
- April
- Records since 2000
- 615
- Scientific name
- Lathraea clandestina
Japanese Quince
- Peak month
- September
- Records since 2000
- 611
- Scientific name
- Chaenomeles japonica
Purple Saxifrage
- Peak month
- July
- Records since 2000
- 610
- Scientific name
- Saxifraga oppositifolia
Willow-leaved Cotoneaster
- Peak month
- June
- Records since 2000
- 609
- Scientific name
- Cotoneaster salicifolius
Eastern Rocket
- Peak month
- May
- Records since 2000
- 608
- Scientific name
- Sisymbrium orientale
Lesser Butterfly-orchid
- Peak month
- June
- Records since 2000
- 606
- Scientific name
- Platanthera bifolia
Druce's crane's-bill
- Peak month
- June
- Records since 2000
- 605
- Scientific name
- Geranium oxonianum
New Zealand-bur
- Peak month
- July
- Records since 2000
- 604
- Scientific name
- Acaena novae-zelandiae
Sunflower
- Peak month
- August
- Records since 2000
- 602
- Scientific name
- Helianthus annuus
Beach morning glory
- Peak month
- June
- Records since 2000
- 600
- Scientific name
- Calystegia soldanella
Water-violet
- Peak month
- May
- Records since 2000
- 598
- Scientific name
- Hottonia palustris
Dwarf Gorse
- Peak month
- August
- Records since 2000
- 589
- Scientific name
- Ulex minor
Crown-pink
- Peak month
- June
- Records since 2000
- 587
- Scientific name
- Silene coronaria
Starflower
- Peak month
- June
- Records since 2000
- 586
- Scientific name
- Lysimachia europaea
Asparagus
- Peak month
- August
- Records since 2000
- 585
- Scientific name
- Asparagus officinalis
Greater Duckweed
- Peak month
- August
- Records since 2000
- 585
- Scientific name
- Spirodela polyrhiza
Sharp-leaved Fluellen
- Peak month
- July
- Records since 2000
- 585
- Scientific name
- Kickxia elatine
Small Sweet-grass
- Peak month
- June
- Records since 2000
- 585
- Scientific name
- Glyceria declinata
White Sedge
- Peak month
- June
- Records since 2000
- 585
- Scientific name
- Carex canescens
Daisy
- Peak month
- July
- Records since 2000
- 583
- Scientific name
- Helichrysum luteoalbum
Armenian crane's-bill
- Peak month
- June
- Records since 2000
- 581
- Scientific name
- Geranium psilostemon
Largeleaf Avens
- Peak month
- May
- Records since 2000
- 578
- Scientific name
- Geum macrophyllum
Cut-leaved Dead-nettle
- Peak month
- April
- Records since 2000
- 577
- Scientific name
- Lamium hybridum
Turk's-cap
- Peak month
- June
- Records since 2000
- 577
- Scientific name
- Aconitum napellus
Moss Campion
- Peak month
- June
- Records since 2000
- 572
- Scientific name
- Silene acaulis
Mossy Saxifrage
- Peak month
- June
- Records since 2000
- 569
- Scientific name
- Saxifraga hypnoides
Silver Hair-grass
- Peak month
- June
- Records since 2000
- 569
- Scientific name
- Aira caryophyllea
Slender knapweed
- Peak month
- August
- Records since 2000
- 568
- Scientific name
- Centaurea debeauxii
Japanese Sweet Coltsfoot
- Peak month
- March
- Records since 2000
- 567
- Scientific name
- Petasites japonicus
Rodgersia
- Peak month
- May
- Records since 2000
- 567
- Scientific name
- Rodgersia podophylla
Common Millet
- Peak month
- August
- Records since 2000
- 565
- Scientific name
- Panicum miliaceum
Love-in-a-mist
- Peak month
- June
- Records since 2000
- 564
- Scientific name
- Nigella damascena
Trailing Tormentil
- Peak month
- August
- Records since 2000
- 564
- Scientific name
- Potentilla anglica
Grey Field-speedwell
- Peak month
- April
- Records since 2000
- 560
- Scientific name
- Veronica polita
Sand Spurrey
- Peak month
- July
- Records since 2000
- 560
- Scientific name
- Spergularia rubra
Knotted Hedge-parsley
- Peak month
- June
- Records since 2000
- 559
- Scientific name
- Torilis nodosa
Red Maple
- Peak month
- July
- Records since 2000
- 559
- Scientific name
- Acer saccharinum
Common Water-crowfoot
- Peak month
- May
- Records since 2000
- 555
- Scientific name
- Ranunculus aquatilis
Large-leaved Lime
- Peak month
- July
- Records since 2000
- 554
- Scientific name
- Tilia platyphyllos
Trifid Bur-marigold, Three-lobe beggarticks, Three-part beggarticks, Leafy-bracted beggarticks
- Peak month
- August
- Records since 2000
- 554
- Scientific name
- Bidens tripartita
Summer Snowflake
- Peak month
- March
- Records since 2000
- 550
- Scientific name
- Leucojum aestivum
Bur Chervil
- Peak month
- May
- Records since 2000
- 545
- Scientific name
- Anthriscus caucalis
Meadow Thistle
- Peak month
- June
- Records since 2000
- 545
- Scientific name
- Cirsium dissectum