Lesser Knapweed
- Peak month
- July
- Records since 2000
- 20,597
- Scientific name
- Centaurea nigra
Sweet Vernal Grass
- Peak month
- June
- Records since 2000
- 20,537
- Scientific name
- Anthoxanthum odoratum
Soft Rush
- Peak month
- July
- Records since 2000
- 19,779
- Scientific name
- Juncus effusus
Field Maple
- Peak month
- May
- Records since 2000
- 19,098
- Scientific name
- Acer campestre
Dog's Mercury
- Peak month
- April
- Records since 2000
- 18,728
- Scientific name
- Mercurialis perennis
Common Mouse-ear
- Peak month
- June
- Records since 2000
- 18,442
- Scientific name
- Cerastium fontanum
Bilberry
- Peak month
- July
- Records since 2000
- 18,150
- Scientific name
- Vaccinium myrtillus
Foxglove
- Peak month
- June
- Records since 2000
- 17,704
- Scientific name
- Digitalis purpurea
Bluebell
- Peak month
- May
- Records since 2000
- 17,510
- Scientific name
- Hyacinthoides non-scripta
Hedge Woundwort
- Peak month
- June
- Records since 2000
- 17,492
- Scientific name
- Stachys sylvatica
Lords-and-Ladies [Arum maculatum]
- Peak month
- April
- Records since 2000
- 17,452
- Scientific name
- Arum maculatum
White Dead-nettle
- Peak month
- April
- Records since 2000
- 17,320
- Scientific name
- Lamium album
Fireweed
- Peak month
- July
- Records since 2000
- 17,268
- Scientific name
- Chamaenerion angustifolium
Cherry Laurel
- Peak month
- April
- Records since 2000
- 17,196
- Scientific name
- Prunus laurocerasus
Groundsel
- Peak month
- April
- Records since 2000
- 16,933
- Scientific name
- Senecio vulgaris
Red Fescue
- Peak month
- June
- Records since 2000
- 16,907
- Scientific name
- Festuca rubra
Alder
- Peak month
- August
- Records since 2000
- 16,859
- Scientific name
- Alnus glutinosa
False Oat-grass
- Peak month
- June
- Records since 2000
- 16,693
- Scientific name
- Arrhenatherum elatius
Ramsons
- Peak month
- May
- Records since 2000
- 16,569
- Scientific name
- Allium ursinum
Nipplewort
- Peak month
- June
- Records since 2000
- 16,456
- Scientific name
- Lapsana communis
Meadow Vetchling
- Peak month
- June
- Records since 2000
- 16,208
- Scientific name
- Lathyrus pratensis
Cowslip
- Peak month
- April
- Records since 2000
- 16,087
- Scientific name
- Primula veris
Marsh Thistle
- Peak month
- June
- Records since 2000
- 16,059
- Scientific name
- Cirsium palustre
Lady's Bedstraw
- Peak month
- July
- Records since 2000
- 15,904
- Scientific name
- Galium verum
Common Bent
- Peak month
- July
- Records since 2000
- 15,749
- Scientific name
- Agrostis capillaris
Perennial Rye-grass
- Peak month
- June
- Records since 2000
- 15,637
- Scientific name
- Lolium perenne
Heath Spotted-orchid
- Peak month
- June
- Records since 2000
- 15,205
- Scientific name
- Dactylorhiza maculata
Gorse
- Peak month
- April
- Records since 2000
- 15,116
- Scientific name
- Ulex europaeus
Horse-chestnut [tree]
- Peak month
- May
- Records since 2000
- 15,030
- Scientific name
- Aesculus hippocastanum
Cat's-ear
- Peak month
- June
- Records since 2000
- 14,718
- Scientific name
- Hypochaeris radicata
Tutsan
- Peak month
- July
- Records since 2000
- 14,496
- Scientific name
- Hypericum androsaemum
Yellow Archangel
- Peak month
- April
- Records since 2000
- 14,460
- Scientific name
- Lamium galeobdolon
Bittersweet
- Peak month
- August
- Records since 2000
- 14,056
- Scientific name
- Solanum dulcamara
Primrose
- Peak month
- April
- Records since 2000
- 13,713
- Scientific name
- Primula vulgaris
Yellow Iris
- Peak month
- June
- Records since 2000
- 13,607
- Scientific name
- Iris pseudacorus
Honeysuckle
- Peak month
- May
- Records since 2000
- 13,575
- Scientific name
- Lonicera periclymenum
Ground-elder
- Peak month
- May
- Records since 2000
- 13,554
- Scientific name
- Aegopodium podagraria
Annual Meadow-grass
- Peak month
- May
- Records since 2000
- 13,548
- Scientific name
- Poa annua
Bush Vetch
- Peak month
- May
- Records since 2000
- 13,352
- Scientific name
- Vicia sepium
Silver Birch
- Peak month
- August
- Records since 2000
- 13,123
- Scientific name
- Betula pendula
Tufted Hairgrass
- Peak month
- July
- Records since 2000
- 13,053
- Scientific name
- Deschampsia cespitosa
Creeping Bent
- Peak month
- July
- Records since 2000
- 13,035
- Scientific name
- Agrostis stolonifera
Red Dead-nettle
- Peak month
- April
- Records since 2000
- 12,869
- Scientific name
- Lamium purpureum
Common Dog-violet
- Peak month
- April
- Records since 2000
- 12,787
- Scientific name
- Viola riviniana
Smooth Sow-thistle
- Peak month
- May
- Records since 2000
- 12,637
- Scientific name
- Sonchus oleraceus
Oxeye Daisy
- Peak month
- June
- Records since 2000
- 12,477
- Scientific name
- Leucanthemum vulgare
Western waterweed, Nuttall's waterweed
- Peak month
- August
- Records since 2000
- 12,267
- Scientific name
- Elodea nuttallii
Wild Angelica
- Peak month
- August
- Records since 2000
- 12,214
- Scientific name
- Angelica sylvestris