Nature School Game Contact Blog Project Noah Facebook Project Noah Twitter

A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!
nature school apple icon

Nature School For Teachers - Fall 2020 Launch! visit nature school

0 0 Spotted Knapweed

Spotted Knapweed

by tiffanyprWisconsin, USA

Off a hiking trail

0 0 Spotted Knapweed

Spotted Knapweed

Mahopac, New York, USA

1 0 Spotted Knapweed

Spotted Knapweed

Mahopac, New York, USA

1 0 Spotted knapweed

Spotted knapweed

by Brett Minnesota, USA

Has been used as a astringent.

1 2 Spotted Knapweed

Spotted Knapweed

by J Albany, New York, USA

0 0 Spotted Knapweed

Spotted Knapweed

by J New York, USA

0 0 Spotted knapweed

Spotted knapweed

by James.EstillDexter Township, Michigan, USA

0 0 Spotted Knapweed

Spotted Knapweed

Michigan, USA

1 2 Spotted knapweed

Spotted knapweed

by mcurrier703Radford City, Virginia, USA

0 0 Spotted Knapweed

Spotted Knapweed

by KostasZontanos

Synonym: Centaurea stoebe ssp. micranthos

0 0 Spotted knapweed

Spotted knapweed

by nick_daniels_12Westland, Michigan, USA

Purple flowers turn white in the fall

1 5 Spotted Knapweed

Spotted Knapweed

by J New York, USA

I've not seen knapweed with a white center ...

1 0 Spotting

Spotting

by Silver BirchMichigan, USA

Sort of scratchy leaves purple pinkish flower tough stem.

1 0 Spotted Knapweed

Spotted Knapweed

by Christine Y.New York, USA

Light purple-pink flowers. Stems were at least 2 feet long.

0 0 Tyrol Knapweed

Tyrol Knapweed

by dandoucetteNiagara Falls, Ontario, Ontario, Canada

light purple blooms, leaves lanceolate

0 0 Spotted Knapweed

Spotted Knapweed

by sleighgreenWashington, USA

This Common Wood Nymph was attracted to the nectar! A great find for my last ...

0 0 Spotted Knapweed

Spotted Knapweed

by auntieannaTomahawk, Wisconsin, USA

Small lavender flowers on 2 ft tall plant.

0 0 Spotted knapweed

Spotted knapweed

by JenniferLawrenceHammond, Indiana, USA

With thanks to JohnD for the ID!

0 2 Spotted Knapweed

Spotted Knapweed

by alyshasmail2Coon Rapids, Minnesota, USA

It is purple. I know it's a wild flower. That's all I know.

3 0 Eastern Tiger Swallowtail Butterfly

Eastern Tiger Swallowtail Butterfly

by JoshuaChrismanLowell, Michigan, USA

Eastern Tiger Swallowtail on Spotted

0 4 Sinai Starthistle

Sinai Starthistle

by Bernadette Sمدينة كاترينا, جنوب سيناء, Egypt

Spotted in Zaranig ~ St. Katherine's ...

0 0 Spotted Knapweed

Spotted Knapweed

by ms_amyburleyWilson, Michigan, United States

It’s a small, purple flower.

0 0 Spotted Knapweed

Spotted Knapweed

by Tamarac Connie

Lavender to purple flower heads about 1 inch wide. It is surrounded underneath ...

0 0 Spotted Knapweed

Spotted Knapweed

by Tamarac DenisMinnesota, USA

Invasive plant.

0 0 Common Blue

Common Blue

by RachelHibberdEngland, United Kingdom

Grey brown underwings, white spots with ...

0 0 Checkered White Butterfly

Checkered White Butterfly

by BlueAppaloosaColorado, USA

Not a large butterfly, it has a wingspan of about 2.5 inches. White with small ...

0 0 Spotted knapweed

Spotted knapweed

by Brian38Washington, USA

like spots, which is the origin of its ...

0 0 Brown knapweed (Κενταύρεια)

Brown knapweed (Κενταύρεια)

by DespinaTsafetopoulouΆρτα, Αποκεντρωμένη Διοίκηση Ηπείρου - Δυτικής Μακεδονίας, Greece

flowers mainly from June to September. It was

0 0 Spotted Knapweed

Spotted Knapweed

by QWMomMarietta, Georgia, USA

Knapweed is a pioneer species found in ...

0 0 Spotted Knapweed

Spotted Knapweed

by Tamarac DenisMinnesota, USA

Invasive plant. Second photo shows stem and leaf structure.

4 7 six spotted Burnet Moth

six spotted Burnet Moth

by Debbie StewartBarnsley, England, United Kingdom

knapweed and Thistles in meadows and ...

1 0 Common Wood-nymph

Common Wood-nymph

by dominique.eghlidiOregon, USA

I can always spot a Common Wood-nymph from ...

0 0 Shrubby Ptilostemon

Shrubby Ptilostemon

by DespinaTsafetopoulouΔήμος Νοτίου Πηλίου, Περιφέρεια Θεσσαλίας, Greece

Shrubby Ptilostemon (Ptilostemon chamaepeuce) plants, a very common endemic ...

2 2 Spotted Knapweed

Spotted Knapweed

by ForestDragonNew York, USA

Shrubby wildflower. Thin, wiry stems with many branches, hairy. Scaly bracts ...

0 0 Common Knapweed

Common Knapweed

Rhode Island, USA

Thistle-like flower. Bright pink/purple on the end of stem with thin green ...

0 0 Salonitan Knapweed

Salonitan Knapweed

by KostasZontanos

Perennial herbaceous plant. Flowering June - September. Height up to 1 m.

Noah Guardians
Noah Sponsors