Alchemilla vulgaris
- Peak month
- May
- Records since 2000
- 103
- Group
- Flowering plants
Blue verbena
- Peak month
- August
- Records since 2000
- 103
- Scientific name
- Verbena hastata
Night-flowering Catchfly
- Peak month
- July
- Records since 2000
- 103
- Scientific name
- Silene noctiflora
Pyrus salicifolia
- Peak month
- April
- Records since 2000
- 103
- Group
- Flowering plants
Sea Stork's-bill
- Peak month
- June
- Records since 2000
- 103
- Scientific name
- Erodium maritimum
Toothed Medick
- Peak month
- May
- Records since 2000
- 102
- Scientific name
- Medicago polymorpha
Weasel's-snout
- Peak month
- July
- Records since 2000
- 102
- Scientific name
- Misopates orontium
Wood Bitter-vetch
- Peak month
- July
- Records since 2000
- 102
- Scientific name
- Vicia orobus
Alpine Saxifrage
- Peak month
- September
- Records since 2000
- 101
- Scientific name
- Micranthes nivalis
Bulbous Meadow-grass
- Peak month
- May
- Records since 2000
- 100
- Scientific name
- Poa bulbosa
Monkey orchid
- Peak month
- May
- Records since 2000
- 100
- Scientific name
- Orchis simia
China aster
- Peak month
- August
- Records since 2000
- 99
- Scientific name
- Callistephus chinensis
Flat-stalked Pondweed
- Peak month
- July
- Records since 2000
- 99
- Scientific name
- Potamogeton friesii
Populus trichocarpa
- Peak month
- May
- Records since 2000
- 99
- Group
- Flowering plants
Wisconsin weeping willow
- Peak month
- April
- Records since 2000
- 99
- Scientific name
- Salix pendulina
Cotoneaster dielsianus
- Peak month
- July
- Records since 2000
- 98
- Group
- Flowering plants
Floating Water-Plantain
- Peak month
- August
- Records since 2000
- 98
- Scientific name
- Luronium natans
Montia arvensis
- Peak month
- June
- Records since 2000
- 98
- Group
- Flowering plants
Nymphaea marliacea
- Peak month
- June
- Records since 2000
- 98
- Group
- Flowering plants
Tanacetum macrophyllum
- Peak month
- June
- Records since 2000
- 98
- Group
- Flowering plants
Small-White Orchid
- Peak month
- June
- Records since 2000
- 97
- Scientific name
- Pseudorchis albida
Rubus cockburnianus
- Peak month
- July
- Records since 2000
- 96
- Group
- Flowering plants
Rubus elegantispinosus
- Peak month
- March
- Records since 2000
- 96
- Group
- Flowering plants
Southernwood
- Peak month
- July
- Records since 2000
- 96
- Scientific name
- Artemisia abrotanum
Three-lobed Crowfoot
- Peak month
- April
- Records since 2000
- 96
- Scientific name
- Ranunculus tripartitus
Viburnum davidi
- Peak month
- April
- Records since 2000
- 96
- Group
- Flowering plants
California brome
- Peak month
- June
- Records since 2000
- 95
- Scientific name
- Bromus carinatus
Chinese barberry
- Peak month
- April
- Records since 2000
- 95
- Scientific name
- Berberis julianae
Corn Parsley
- Peak month
- July
- Records since 2000
- 95
- Scientific name
- Sison segetum
Fatsia
- Peak month
- March
- Records since 2000
- 95
- Scientific name
- Fatsia japonica
Lenten-rose
- Peak month
- March
- Records since 2000
- 95
- Scientific name
- Helleborus orientalis
Rock Sea-spurrey
- Peak month
- June
- Records since 2000
- 95
- Scientific name
- Spergularia rupicola
Safflower
- Peak month
- August
- Records since 2000
- 95
- Scientific name
- Carthamus tinctorius
Treasure-flower
- Peak month
- July
- Records since 2000
- 95
- Scientific name
- Gazania rigens
Field Garlic
- Peak month
- July
- Records since 2000
- 94
- Scientific name
- Allium oleraceum
Mudwort
- Peak month
- August
- Records since 2000
- 94
- Scientific name
- Limosella aquatica
Various-leaved Pondweed
- Peak month
- August
- Records since 2000
- 94
- Scientific name
- Potamogeton gramineus
Winter jasmine
- Peak month
- December
- Records since 2000
- 94
- Scientific name
- Jasminum nudiflorum
Angular Solomon's-seal
- Peak month
- June
- Records since 2000
- 93
- Scientific name
- Polygonatum odoratum
Asymmetrical Hook-lobed Dandelion
- Peak month
- April
- Records since 2000
- 93
- Scientific name
- Taraxacum hamatiforme
Austroderia richardii
- Peak month
- July
- Records since 2000
- 93
- Group
- Flowering plants
Dark-green Dandelion
- Peak month
- April
- Records since 2000
- 93
- Scientific name
- Taraxacum bracteatum
Reynoutria bohemica
- Peak month
- June
- Records since 2000
- 93
- Group
- Flowering plants
Vinca difformis
- Peak month
- April
- Records since 2000
- 93
- Group
- Flowering plants
Aztec marigold
- Peak month
- July
- Records since 2000
- 92
- Scientific name
- Tagetes erecta
Bearded iris
- Peak month
- May
- Records since 2000
- 92
- Scientific name
- Iris germanica
Chenault coralberry
- Peak month
- November
- Records since 2000
- 92
- Scientific name
- Symphoricarpos chenaultii
Glaucous Dog-rose
- Peak month
- July
- Records since 2000
- 92
- Scientific name
- Rosa vosagiaca