Plicate Sweet-grass
- Peak month
- June
- Records since 2000
- 471
- Scientific name
- Glyceria notata
Round-headed Rampion
- Peak month
- July
- Records since 2000
- 468
- Scientific name
- Phyteuma orbiculare
Long-stalked Yellow-sedge
- Peak month
- July
- Records since 2000
- 460
- Scientific name
- Carex lepidocarpa
Limestone Bedstraw
- Peak month
- July
- Records since 2000
- 459
- Scientific name
- Galium sterneri
Algerian Oat
- Peak month
- June
- Records since 2000
- 456
- Scientific name
- Avena sativa
Intermediate Lady's-mantle
- Peak month
- May
- Records since 2000
- 456
- Scientific name
- Alchemilla xanthochlora
Wild Madder
- Peak month
- June
- Records since 2000
- 456
- Scientific name
- Rubia peregrina
Darwin's barberry
- Peak month
- April
- Records since 2000
- 454
- Scientific name
- Berberis darwinii
Euphorbia mellifera
- Peak month
- April
- Records since 2000
- 452
- Group
- Flowering plants
Little Mouse-ear
- Peak month
- April
- Records since 2000
- 452
- Scientific name
- Cerastium semidecandrum
Dwarf Spurge
- Peak month
- July
- Records since 2000
- 451
- Scientific name
- Euphorbia exigua
Parrot feather watermilfoil
- Peak month
- September
- Records since 2000
- 449
- Scientific name
- Myriophyllum aquaticum
Petasites albus
- Peak month
- March
- Records since 2000
- 448
- Group
- Flowering plants
Red-berried Elder
- Peak month
- July
- Records since 2000
- 444
- Scientific name
- Sambucus racemosa
Shrubby Sea-blite
- Peak month
- July
- Records since 2000
- 444
- Scientific name
- Suaeda vera
Reflexed Saltmarsh-grass
- Peak month
- July
- Records since 2000
- 442
- Scientific name
- Puccinellia distans
Rough Hawk's-beard
- Peak month
- June
- Records since 2000
- 441
- Scientific name
- Crepis biennis
Shoreweed
- Peak month
- August
- Records since 2000
- 441
- Scientific name
- Littorella uniflora
Blue Moor-grass
- Peak month
- August
- Records since 2000
- 440
- Scientific name
- Sesleria caerulea
Field Woundwort
- Peak month
- July
- Records since 2000
- 437
- Scientific name
- Stachys arvensis
Slender Sedge
- Peak month
- July
- Records since 2000
- 437
- Scientific name
- Carex lasiocarpa
Stellaria apetala
- Peak month
- April
- Records since 2000
- 434
- Group
- Flowering plants
Slender Thistle
- Peak month
- June
- Records since 2000
- 433
- Scientific name
- Carduus tenuiflorus
Crimson woodsorrel
- Peak month
- May
- Records since 2000
- 431
- Scientific name
- Oxalis incarnata
Populus canadensis
- Peak month
- May
- Records since 2000
- 427
- Group
- Flowering plants
Bighead knapweed
- Peak month
- July
- Records since 2000
- 426
- Scientific name
- Centaurea macrocephala
Little-Robin
- Peak month
- May
- Records since 2000
- 426
- Scientific name
- Geranium purpureum
Tall flatsedge
- Peak month
- August
- Records since 2000
- 424
- Scientific name
- Cyperus eragrostis
Alpine balsam
- Peak month
- May
- Records since 2000
- 423
- Scientific name
- Erinus alpinus
Bristle bent
- Peak month
- June
- Records since 2000
- 420
- Scientific name
- Alpagrostis setacea
Jacob's-ladder
- Peak month
- June
- Records since 2000
- 420
- Scientific name
- Polemonium caeruleum
Greater Burnet-saxifrage
- Peak month
- July
- Records since 2000
- 419
- Scientific name
- Pimpinella major
Dwarf Willow
- Peak month
- July
- Records since 2000
- 418
- Scientific name
- Salix herbacea
Small Toadflax
- Peak month
- July
- Records since 2000
- 415
- Scientific name
- Chaenorhinum minus
Bird's-eye Primrose
- Peak month
- May
- Records since 2000
- 413
- Scientific name
- Primula farinosa
Slender Trefoil
- Peak month
- June
- Records since 2000
- 413
- Scientific name
- Trifolium micranthum
Sea Wormwood
- Peak month
- July
- Records since 2000
- 411
- Scientific name
- Artemisia maritima
Rubus tricolor
- Peak month
- August
- Records since 2000
- 410
- Group
- Flowering plants
Common flax
- Peak month
- August
- Records since 2000
- 409
- Scientific name
- Linum usitatissimum
Greater Chickweed
- Peak month
- May
- Records since 2000
- 408
- Scientific name
- Stellaria neglecta
Mountain Sorrel
- Peak month
- July
- Records since 2000
- 408
- Scientific name
- Oxyria digyna
Annual Beard-grass
- Peak month
- June
- Records since 2000
- 407
- Scientific name
- Polypogon monspeliensis
Rye Brome
- Peak month
- July
- Records since 2000
- 406
- Scientific name
- Bromus secalinus
Bromus commutatus
- Peak month
- June
- Records since 2000
- 402
- Group
- Flowering plants
Garden lovage
- Peak month
- May
- Records since 2000
- 401
- Scientific name
- Levisticum officinale
Euphrasia officinalis
- Peak month
- August
- Records since 2000
- 399
- Group
- Flowering plants
Chives
- Peak month
- May
- Records since 2000
- 396
- Scientific name
- Allium schoenoprasum
Sea Mouse-ear
- Peak month
- May
- Records since 2000
- 396
- Scientific name
- Cerastium diffusum