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common knapweed uk knapweed centaurea nigra lesser knapweed uk greater knapweed centaurea scabiosa knapweed cut out black knapweed uk knapweed illustration

Common Knapweed (Centaurea nigra) also known as Black Knapweed Stock Photo

RFBND1GP–Common Knapweed (Centaurea nigra) also known as Black Knapweed

Brown Knapweed, Centaurea jacea Stock Photo

RFAM0YEY–Brown Knapweed, Centaurea jacea

Close-up shot of a Knapweed in flower Stock Photo

RFAN2RJJ–Close-up shot of a Knapweed in flower

Centaurea montana. Perennial cornflower, Mountain bluet, Knapweed, Mountain knapweed against a light background. Selective focus Stock Photo

RMC3A27Y–Centaurea montana. Perennial cornflower, Mountain bluet, Knapweed, Mountain knapweed against a light background. Selective focus

spotted knapweed is a noxious invasive weed that has taken hold in parts of the Rocky Mountain region of Colorado Stock Photo

RFB5NBKH–spotted knapweed is a noxious invasive weed that has taken hold in parts of the Rocky Mountain region of Colorado

The flowering head of the Black Knapweed Stock Photo

RMB3HG9X–The flowering head of the Black Knapweed

LARGE WHITE Pieris brassicae TAKING NECTAR FROM KNAPWEED Stock Photo

RMB5N86G–LARGE WHITE Pieris brassicae TAKING NECTAR FROM KNAPWEED

Black Knapweed (Centaurea nigra), close-up of flower head flowering Stock Photo

RMB8W7YK–Black Knapweed (Centaurea nigra), close-up of flower head flowering

purple centaurea flowers isolated on white background Stock Photo

RFDEE1DY–purple centaurea flowers isolated on white background

montane star-thistle, perennial cornflower, mountain knapweed (Centaurea montana), blooming in a flowerbed, with Stachys olympica, Czech Republic Stock Photo

RMFJ6C09–montane star-thistle, perennial cornflower, mountain knapweed (Centaurea montana), blooming in a flowerbed, with Stachys olympica, Czech Republic

A Small Tortoiseshell (Nymphalis urticae) butterfly on a Common Knapweed (Centaurea nigra) flower Stock Photo

RMC81NBH–A Small Tortoiseshell (Nymphalis urticae) butterfly on a Common Knapweed (Centaurea nigra) flower

Centaurea scabiosa Greater knapweed close up shot Uk May Stock Photo

RMBCKPKE–Centaurea scabiosa Greater knapweed close up shot Uk May

Blue flowers of a perennial knapweed (Centaurea montana) Stock Photo

RFBN58TK–Blue flowers of a perennial knapweed (Centaurea montana)

Centaurea montana 'Lady Flora Hastings' White knapweed Stock Photo

RMBECY9M–Centaurea montana 'Lady Flora Hastings' White knapweed

Lemon Fluff Knapweed Centaurea macrocephala Stock Photo

RM2C2F6PR–Lemon Fluff Knapweed Centaurea macrocephala

Flowerhead of Greater Knapweed (Centaurea scabiosa). Shropshire, England. August. Stock Photo

RMCN3EHE–Flowerhead of Greater Knapweed (Centaurea scabiosa). Shropshire, England. August.

Pink knapweed (Psephellus pulcherrimus) is a perennial herb native to western Asia. Angiosperms. Asteraceae. Turkey. Stock Photo

RM2DF6ARB–Pink knapweed (Psephellus pulcherrimus) is a perennial herb native to western Asia. Angiosperms. Asteraceae. Turkey.

RMH0AGDE–common knapweed

Seed Heads of Greater Knapweed (Centaurea scabiosa) Stock Photo

RMP5BJBA–Seed Heads of Greater Knapweed (Centaurea scabiosa)

RMDBB04A–Common Knapweed (Centaurea nigra) also known as Black Knapweed

Brown Knapweed or Brownray Knapweed (Centaurea jacea) Stock Photo

RFBDWK41–Brown Knapweed or Brownray Knapweed (Centaurea jacea)

Hover-fly on knapweed near Garstang Lancashire Stock Photo

RME9WMCC–Hover-fly on knapweed near Garstang Lancashire

Black Knapweed, Centaurea nigra, Asteraceae Stock Photo

RFBDKG0C–Black Knapweed, Centaurea nigra, Asteraceae

Common knapweed, Centaurea nigra, flower and leaves isolated against white Stock Photo

RFDCTJP2–Common knapweed, Centaurea nigra, flower and leaves isolated against white

Wildflower grassland meadow with common Knapweed flowers in bloom, Oxfordshire, UK Stock Photo

RMW4042D–Wildflower grassland meadow with common Knapweed flowers in bloom, Oxfordshire, UK

Common Knapweed, Centaurea nigra ( Asteraceae ), wild flowers isolated against white Stock Photo

RFCTW5KC–Common Knapweed, Centaurea nigra ( Asteraceae ), wild flowers isolated against white

Five-spot Burnet (Zygaena trifolii) on Brown Knapweed (Centaurea jacea) flower Stock Photo

RMB06G9W–Five-spot Burnet (Zygaena trifolii) on Brown Knapweed (Centaurea jacea) flower

Knapweed Broomrape - Orobanche elatior Stock Photo

RMGGK9HX–Knapweed Broomrape - Orobanche elatior

brown knapweed, brown-rayed knapweed (Centaurea jacea), inflorescence, Germany, Bavaria Stock Photo

RM2D6RFE9–brown knapweed, brown-rayed knapweed (Centaurea jacea), inflorescence, Germany, Bavaria

RMC81NC3–A Small Tortoiseshell (Nymphalis urticae) butterfly on a Common Knapweed (Centaurea nigra) flower

Mountain knapweed (Centaurea montana 'Grandiflora') and false oat grass (Arrhenatherum elatius 'Variegata') Stock Photo

RMBMCTW7–Mountain knapweed (Centaurea montana 'Grandiflora') and false oat grass (Arrhenatherum elatius 'Variegata')

RFBN58J7–Blue flowers of a perennial knapweed (Centaurea montana)

RMBECY91–Centaurea montana 'Lady Flora Hastings' White knapweed

Centaurea macrocephala Giant knapweed Deadheads Seedheads Stock Photo

RM2GMJKEG–Centaurea macrocephala Giant knapweed Deadheads Seedheads

Greater Knapweed (Centaurea scabiosa) flowering. Cherhill Down, near Calne, Wiltshire, England. June. Stock Photo

RM2HXEXDR–Greater Knapweed (Centaurea scabiosa) flowering. Cherhill Down, near Calne, Wiltshire, England. June.

Greater knapweed (Centaurea scabiosa) is a perennial plant native to Europe. This photo was taken in Bohuslan, Sweden. Stock Photo

RM2G13ATW–Greater knapweed (Centaurea scabiosa) is a perennial plant native to Europe. This photo was taken in Bohuslan, Sweden.

The purple flower of common knapweed UK Stock Photo

RMCT54D7–The purple flower of common knapweed UK

Common Knapweed - Centaurea nigra Stock Photo

RM2JH8BN8–Common Knapweed - Centaurea nigra

greater knapweed Centaurea scabiosa Stock Photo

RMB4MRGB–greater knapweed Centaurea scabiosa

Brown Knapweed, Brownray Knapweed (Centaurea jacea) Stock Photo

RFBE3ACY–Brown Knapweed, Brownray Knapweed (Centaurea jacea)

Centaura nigra. Lesser knapweed growing in a wildflower meadow. Stock Photo

RMC6F597–Centaura nigra. Lesser knapweed growing in a wildflower meadow.

RFBDKG11–Black Knapweed, Centaurea nigra, Asteraceae

Greater Knapweed (Centaurea scabiosa) growing along the Dorset coast path. Stock Photo

RFD5R75N–Greater Knapweed (Centaurea scabiosa) growing along the Dorset coast path.

Wildflower grassland meadow with common Knapweed flowers in bloom and pollinating hoverfly, Oxfordshire, UK Stock Photo

RMW403E7–Wildflower grassland meadow with common Knapweed flowers in bloom and pollinating hoverfly, Oxfordshire, UK

Lesser knapweed flower, Chipping, Preston, Lancashire, England, UK Stock Photo

RM2C6EGNC–Lesser knapweed flower, Chipping, Preston, Lancashire, England, UK

Scottish wildflowers - purple heather and common knapweed Stock Photo

RFK1A6BN–Scottish wildflowers - purple heather and common knapweed

RMGGK9KG–Knapweed Broomrape - Orobanche elatior

brown knapweed, brown-rayed knapweed (Centaurea jacea), blooming, Germany, Bavaria Stock Photo

RM2GFWF5D–brown knapweed, brown-rayed knapweed (Centaurea jacea), blooming, Germany, Bavaria

Bunch of wild knapweed flowers in a vase Stock Photo

RMB353PN–Bunch of wild knapweed flowers in a vase

Giant knapweed (Centaurea macrocephala), a large summer flowering perennial, blooming in an English garden Stock Photo

RMK70ABK–Giant knapweed (Centaurea macrocephala), a large summer flowering perennial, blooming in an English garden

RFBN58H6–Blue flowers of a perennial knapweed (Centaurea montana)

Hoverfly (Eristalis intricarius) female feeding on Greater knapweed flower (Centaurea scabiosa) in chalk grassland meadow with stand of Wild marjoram (Origanum vulgare) in the background, Wiltshire, UK, July. Stock Photo

RMW7T241–Hoverfly (Eristalis intricarius) female feeding on Greater knapweed flower (Centaurea scabiosa) in chalk grassland meadow with stand of Wild marjoram (Origanum vulgare) in the background, Wiltshire, UK, July.

Autumn flower of the compact, late blooming knapweed, Serratula seoanei Stock Photo

RMF640J7–Autumn flower of the compact, late blooming knapweed, Serratula seoanei

RM2HXEXDT–Greater Knapweed (Centaurea scabiosa) flowering. Cherhill Down, near Calne, Wiltshire, England. June.

RM2G13ATK–Greater knapweed (Centaurea scabiosa) is a perennial plant native to Europe. This photo was taken in Bohuslan, Sweden.

Pink, Centaurea dealbata 'Rosea', Blooms, Beautiful, Flowers, In, Garden, Knapweed, Persian Cornflower Stock Photo

RM2JEKKMH–Pink, Centaurea dealbata 'Rosea', Blooms, Beautiful, Flowers, In, Garden, Knapweed, Persian Cornflower

Common Knapweed - Centaurea nigra - unusual white form Stock Photo

RM2GDW6DX–Common Knapweed - Centaurea nigra - unusual white form

knapweed Centaurea nigra common Stock Photo

RMB5AWMY–knapweed Centaurea nigra common

Globe Knapweed (Centaurea macrocephala), flowering, Lower Saxony, Germany Stock Photo

RFE5DG4J–Globe Knapweed (Centaurea macrocephala), flowering, Lower Saxony, Germany

Brown Knapweed or Brownray Knapweed (Centaurea jacea), North Rhine-Westphalia, Germany Stock Photo

RME628RD–Brown Knapweed or Brownray Knapweed (Centaurea jacea), North Rhine-Westphalia, Germany

RFBDKFYY–Black Knapweed, Centaurea nigra, Asteraceae

RFBDC4FF–Gear Knapweed

Common Knapweed flowers in bloom with pollinating hoverfly in grassland meadow, Oxfordshire, UK Stock Photo

RMW4040K–Common Knapweed flowers in bloom with pollinating hoverfly in grassland meadow, Oxfordshire, UK

Bumblebee on Greater Knapweed Stock Photo

RM2GRE0KM–Bumblebee on Greater Knapweed

Six-spot Burnet Moth (Zygaena filipendulae) on knapweed in the Kent Downs AONB, England, UK Stock Photo

RF2JM1872–Six-spot Burnet Moth (Zygaena filipendulae) on knapweed in the Kent Downs AONB, England, UK

RMGGK9G0–Knapweed Broomrape - Orobanche elatior

snout moth (Oncocera semirubella), on a knapweed flower, Germany, Bavaria Stock Photo

RM2D7H9XB–snout moth (Oncocera semirubella), on a knapweed flower, Germany, Bavaria

RMDR9TAE–Common Knapweed flowers

RMK70ABD–Giant knapweed (Centaurea macrocephala), a large summer flowering perennial, blooming in an English garden

RFB1W6FD–Blue flowers of a perennial knapweed Centaurea montana

split knapweed, centaurea salonitana Stock Photo

RME57PM6–split knapweed, centaurea salonitana

Dew covered flowers of the late blooming dwarf knapweed, Serratula seoanei Stock Photo

RMKFB841–Dew covered flowers of the late blooming dwarf knapweed, Serratula seoanei

Flower of Common Knapweed (Centaurea nigra) against the setting sun. Powys, Wales Stock Photo

RMC13308–Flower of Common Knapweed (Centaurea nigra) against the setting sun. Powys, Wales

Singleflower knapweed (Centaurea uniflora) is an alpine plant native to Mountains of central and southeast Europe, from Switzerland to Romania. Stock Photo

RM2DF6APE–Singleflower knapweed (Centaurea uniflora) is an alpine plant native to Mountains of central and southeast Europe, from Switzerland to Romania.

Flower and buds of Greater knapweed (Centaurea scabiosa) Stock Photo

RFAC2PRJ–Flower and buds of Greater knapweed (Centaurea scabiosa)

Common Knapweed a.k.a. Black Knapweed Centaurea nigra Stock Photo

RMJRARCA–Common Knapweed a.k.a. Black Knapweed Centaurea nigra

RMB5BF8B–knapweed Centaurea nigra common

Mountain Knapweed, Perennial Cornflower or Bachelor's Button (Centaurea montana), flowering, Thuringia, Germany Stock Photo

RFE6K6K4–Mountain Knapweed, Perennial Cornflower or Bachelor's Button (Centaurea montana), flowering, Thuringia, Germany

RMDW5JDA–Brown Knapweed or Brownray Knapweed (Centaurea jacea), North Rhine-Westphalia, Germany

RMAMY7HN–Black Knapweed, Centaurea nigra, Asteraceae

RFEHGW44–Brown Knapweed, Centaurea jacea

Lulworth skipper (Thymelicus acteon) on knapweed. Dorset, UK. Stock Photo

RMDNH0F3–Lulworth skipper (Thymelicus acteon) on knapweed. Dorset, UK.

Knapweed buds, growing wild, County Kerry Ireland Stock Photo

RMP8FCPR–Knapweed buds, growing wild, County Kerry Ireland

RF2JM186X–Six-spot Burnet Moth (Zygaena filipendulae) on knapweed in the Kent Downs AONB, England, UK

RMKFE3XW–Common Knapweed - Centaurea nigra

brown knapweed, brown-rayed knapweed (Centaurea jacea), blooming, Germany, Bavaria, Laufen Stock Photo

RM2GFWEW6–brown knapweed, brown-rayed knapweed (Centaurea jacea), blooming, Germany, Bavaria, Laufen

Common Knapweed (centaura Nigra) Stock Photo

RME6X1H9–Common Knapweed (centaura Nigra)

Brown Knapweed, North Rhine-Westphalia, Germany / (Centaurea jacea) Stock Photo

RMDTRX0W–Brown Knapweed, North Rhine-Westphalia, Germany / (Centaurea jacea)

Knapweed (Centaurea scabiosa) flower against a black background Stock Photo

RMBFCBJH–Knapweed (Centaurea scabiosa) flower against a black background

RME57PM4–split knapweed, centaurea salonitana

Dew covered flower of the late blooming dwarf knapweed, Serratula seoanei Stock Photo

RMKD7A5T–Dew covered flower of the late blooming dwarf knapweed, Serratula seoanei

RMCN3E39–Flower of Common Knapweed (Centaurea nigra) against the setting sun. Powys, Wales

Pink knapweed (Psephellus pulcherrimus or Centaurea pulcherrima) is a perennial herb native to western Asia. Flowering plant. Stock Photo

RM2DF6TWJ–Pink knapweed (Psephellus pulcherrimus or Centaurea pulcherrima) is a perennial herb native to western Asia. Flowering plant.

Painted Lady butterfly Cynthia cardui on greater knapweed Centaurea scabiosa. Second generation. Stock Photo

RMBDX3C6–Painted Lady butterfly Cynthia cardui on greater knapweed Centaurea scabiosa. Second generation.

RMP57J1C–Greater Knapweed Centaurea scabiosa

RMB5AWTK–knapweed Centaurea nigra common

RFE6K6K5–Mountain Knapweed, Perennial Cornflower or Bachelor's Button (Centaurea montana), flowering, Thuringia, Germany

Flower of Common Knapweed (Centaurea nigra var. radiata), Bedgebury Forest, Kent, UK Stock Photo

RFE67NYK–Flower of Common Knapweed (Centaurea nigra var. radiata), Bedgebury Forest, Kent, UK

RMAMY7GY–Black Knapweed, Centaurea nigra, Asteraceae

RFEHPJ4R–Brown Knapweed, Centaurea jacea

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Knapweed Stock Photos and Images

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