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Polygonaceae

Family Polygonaceae

43 species

Japanese Knotweed

Group: Flowering plants
Peak month: June
Records since 2000: 30,167

Broad-leaved Dock

Group: Flowering plants
Peak month: May
Records since 2000: 22,935

Garden Sorrel

Group: Flowering plants
Peak month: June
Records since 2000: 20,829

Curled Dock

Group: Flowering plants
Peak month: June
Records since 2000: 10,374

Wood Dock

Group: Flowering plants
Peak month: July
Records since 2000: 7,910

Knotgrass

Group: Flowering plants
Peak month: August
Records since 2000: 7,179

Sheep's Sorrel

Group: Flowering plants
Peak month: June
Records since 2000: 7,014

Redshank [plant]

Group: Flowering plants
Peak month: August
Records since 2000: 5,442

Amphibious Bistort

Group: Flowering plants
Peak month: August
Records since 2000: 3,976

Marshpepper Knotweed

Group: Flowering plants
Peak month: August
Records since 2000: 2,959

Clustered Dock

Group: Flowering plants
Peak month: July
Records since 2000: 2,002

Black-bindweed

Group: Flowering plants
Peak month: August
Records since 2000: 1,481

Water Dock

Group: Flowering plants
Peak month: July
Records since 2000: 1,458

Common knotweed

Group: Flowering plants
Peak month: August
Records since 2000: 1,210

Buckwheat

Group: Flowering plants
Peak month: July
Records since 2000: 1,174

Common Bistort

Group: Flowering plants
Peak month: May
Records since 2000: 1,020

Pale Persicaria

Group: Flowering plants
Peak month: August
Records since 2000: 945

Russian Vine

Group: Flowering plants
Peak month: August
Records since 2000: 830

Alpine Bistort

Group: Flowering plants
Peak month: June
Records since 2000: 761

Common Bistort

Group: Flowering plants
Peak month: May
Records since 2000: 692

Mountain Sorrel

Group: Flowering plants
Peak month: July
Records since 2000: 408

Iceland-purslane

Group: Flowering plants
Peak month: July
Records since 2000: 364

Persicaria orientalis

Group: Flowering plants
Peak month: August
Records since 2000: 312

Bistorta amplexicaulis

Group: Flowering plants
Peak month: July
Records since 2000: 270

Golden Dock

Group: Flowering plants
Peak month: August
Records since 2000: 257

Persicaria capitata

Group: Flowering plants
Peak month: September
Records since 2000: 250

Maidenhair vine

Group: Flowering plants
Peak month: August
Records since 2000: 243

Giant Knotweed

Group: Flowering plants
Peak month: June
Records since 2000: 220

Crested dock

Group: Flowering plants
Peak month: May
Records since 2000: 218

Fiddle Dock

Group: Flowering plants
Peak month: July
Records since 2000: 213

Garden rhubarb

Group: Flowering plants
Peak month: July
Records since 2000: 208

Koenigia polystachya

Group: Flowering plants
Peak month: August
Records since 2000: 187

Northern Dock

Group: Flowering plants
Peak month: July
Records since 2000: 162

Koenigia campanulata

Group: Flowering plants
Peak month: August
Records since 2000: 161

Marsh Dock

Group: Flowering plants
Peak month: July
Records since 2000: 143

Small Water-pepper

Group: Flowering plants
Peak month: August
Records since 2000: 134

Pale Persicaria

Group: Flowering plants
Peak month: August
Records since 2000: 128

Reynoutria bohemica

Group: Flowering plants
Peak month: June
Records since 2000: 93

Shore Dock

Group: Flowering plants
Peak month: August
Records since 2000: 88

Bistorta affinis

Group: Flowering plants
Peak month: July
Records since 2000: 74

Rumex pratensis

Group: Flowering plants
Records since 2000: 73
Counties with records: 3

Ray's Knotgrass

Group: Flowering plants
Peak month: August
Records since 2000: 68

Sea knotgrass

Group: Flowering plants
Peak month: August
Records since 2000: 52