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Asteraceae

Family · 163 species with a result in Ohio

163 species

Achillea 1

common yarrow (Achillea millefolium)common yarrowAchillea millefoliumPhoto © David · CC BY-NC-SA 4.0Late April to mid-October, middle week Jun 21–27

Ageratina 1

white snakeroot (Ageratina altissima)white snakerootAgeratina altissimaPhoto © Douglas Goldman · CC BY-SA 4.0Mid-June to mid-October, middle week Sep 13–19

Ambrosia 2

common ragweed (Ambrosia artemisiifolia)common ragweedAmbrosia artemisiifoliaPhoto © Qwert1234 · CC BY-SA 4.0Early June to early October, middle week Aug 16–22giant ragweed (Ambrosia trifida)giant ragweedAmbrosia trifidaPhoto © thaven · CC BY-NC 4.0Late May to late September, middle week Aug 16–22

Anacis 2

Tall Coreopsis (Anacis tripteris)Tall CoreopsisAnacis tripterisPhoto © Peter Gorman · CC BY-NC-SA 4.0Threadleaf Coreopsis (Anacis verticillata)Threadleaf CoreopsisAnacis verticillataPhoto © gilbertblythe · CC BY-NC 4.0

Antennaria 4

Singlehead Pussytoes (Antennaria solitaria)Singlehead PussytoesAntennaria solitariaPhoto © Rob Curtis · CC BY-NC-SA 4.0Late March to late May, middle week Apr 12–18Parlin's Pussytoes (Antennaria parlinii)Parlin's PussytoesAntennaria parliniiPhoto © csledge · CC BY-NC 4.0Early April to mid-August, middle week May 3–9Field Pussytoes (Antennaria neglecta)Field PussytoesAntennaria neglectaPhoto © Jennifer Danhaus · CC BY-NC 4.0plantain-leaved pussytoes (Antennaria plantaginifolia)plantain-leaved pussytoesAntennaria plantaginifoliaPhoto © Kim Brown · CC BY-NC 4.0

Arctium 2

greater burdock (Arctium lappa)greater burdockArctium lappaPhoto © tlit46 · CC BY-NC 4.0lesser burdock (Arctium minus)lesser burdockArctium minusPhoto © Platon Kleanthidis · CC BY-NC 4.0

Arnoglossum 3

prairie Indian plantain (Arnoglossum plantagineum)prairie Indian plantainArnoglossum plantagineumPhoto © Dawn Stover · CC BY-NC 4.0Late May to late August, middle week Jun 28 – Jul 4Great Indian Plantain (Arnoglossum reniforme)Great Indian PlantainArnoglossum reniformePhoto © Matthew Thompson · CC BY-NC 4.0pale Indian plantain (Arnoglossum atriplicifolium)pale Indian plantainArnoglossum atriplicifoliumPhoto © Mary Shew · CC BY-NC 4.0

Artemisia 2

common mugwort (Artemisia vulgaris)common mugwortArtemisia vulgarisPhoto © dgorrill · CC BY-NC-SA 4.0Mid-April to early November, middle week Aug 9–15sweet annie (Artemisia annua)sweet annieArtemisia annuaPhoto © Sandy Wolkenberg · CC BY 4.0

Bellis 1

Lawn daisy (Bellis perennis)Lawn daisyBellis perennisPhoto © m.dolores paderne sa… · CC BY-SA 4.0

Bidens 6

Spanish needles (Bidens bipinnata)Spanish needlesBidens bipinnataPhoto © aljnrn · CC BY-NC 4.0Late June to mid-October, middle week Aug 30 – Sep 5Tickseed Sunflower (Bidens polylepis)Tickseed SunflowerBidens polylepisPhoto © tlit46 · CC BY-NC 4.0Mid-August to mid-October, middle week Sep 13–19Nodding Beggarticks (Bidens cernua)Nodding BeggarticksBidens cernuaPhoto © Sydney Penner · CC BY-NC 4.0Mid-August to mid-October, middle week Sep 27 – Oct 3Bearded Beggarticks (Bidens aristosa)Bearded BeggarticksBidens aristosaPhoto no rights reserved, uploaded by Becky Dill · CC0 1.0Devil's Beggarticks (Bidens frondosa)Devil's BeggarticksBidens frondosaPhoto © Cat Chang · CC BY-NC 4.0Purplestem Beggarticks (Bidens connata)Purplestem BeggarticksBidens connataPhoto © Alexey P. Seregin · CC BY-NC 4.0

Carduus 1

musk thistle (Carduus nutans)musk thistleCarduus nutansPhoto no rights reserved, uploaded by Megan Blackmore · CC0 1.0Early May to early August, middle week Jun 14–20

Centaurea 3

Cornflower (Centaurea cyanus)CornflowerCentaurea cyanusPhoto © Yaman Omran · CC BY-NC 4.0Mid-May to mid-September, middle week Jun 28 – Jul 4Tyrol knapweed (Centaurea nigrescens)Tyrol knapweedCentaurea nigrescensPhoto © Luca Boscain · CC BY-NC 4.0Late July to late October, middle week Sep 6–12spotted knapweed (Centaurea stoebe)spotted knapweedCentaurea stoebePhoto © Lioneska · CC BY-NC 4.0

Cichorium 1

chicory (Cichorium intybus)chicoryCichorium intybusPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Late June to mid-October, middle week Aug 23–29

Cirsium 5

creeping thistle (Cirsium arvense)creeping thistleCirsium arvensePhoto © Adja Gaye · CC BY-NC 4.0Early May to mid-October, middle week Jul 12–18Bull Thistle (Cirsium vulgare)Bull ThistleCirsium vulgarePhoto © Sabine Atteln · CC BY-NC 4.0Mid-April to early October, middle week Aug 9–15swamp thistle (Cirsium muticum)swamp thistleCirsium muticumPhoto © aarongunnar · CC BY 4.0Late May to mid-October, middle week Aug 23–29field thistle (Cirsium discolor)field thistleCirsium discolorPhoto © Riley-Brendan Walsh · CC BY-NC 4.0Early June to early October, middle week Aug 30 – Sep 5Tall Thistle (Cirsium altissimum)Tall ThistleCirsium altissimumPhoto © Suzanne Cadwell · CC BY-NC 4.0

Conoclinium 1

blue mistflower (Conoclinium coelestinum)blue mistflowerConoclinium coelestinumPhoto © bioblitz_aggregate_account · CC BY-NC 4.0Early August to mid-October, middle week Sep 6–12

Coreopsis 2

Lance-leaved Coreopsis (Coreopsis lanceolata)Lance-leaved CoreopsisCoreopsis lanceolataPhoto © neonicarus · CC BY-NC 4.0Late May to late September, middle week Jun 14–20plains coreopsis (Coreopsis tinctoria)plains coreopsisCoreopsis tinctoriaPhoto © jcmattson · CC BY-NC 4.0Late June to early October, middle week Jul 26 – Aug 1

Cosmos 2

Yellow Cosmos (Cosmos sulphureus)Yellow CosmosCosmos sulphureusPhoto © Annika Lindqvist · CC BY 4.0Mid-July to mid-October, middle week Aug 30 – Sep 5garden cosmos (Cosmos bipinnatus)garden cosmosCosmos bipinnatusPhoto © Francisco J. Muñoz Nolasco · CC BY-NC 4.0Mid-June to mid-October, middle week Sep 13–19

Doellingeria 1

flat-top white aster (Doellingeria umbellata)flat-top white asterDoellingeria umbellataPhoto © Matthias Buck · CC BY-NC 4.0Early August to mid-October, middle week Sep 6–12

Echinacea 2

purple coneflower (Echinacea purpurea)purple coneflowerEchinacea purpureaPhoto © Isaac Krauss · CC BY-NC 4.0Late June to early October, middle week Aug 2–8pale purple coneflower (Echinacea pallida)pale purple coneflowerEchinacea pallidaPhoto © Joseph D Kurtz · CC BY 4.0

Eclipta 1

False Daisy (Eclipta prostrata)False DaisyEclipta prostrataPhoto no rights reserved, uploaded by 葉子 · CC0 1.0Mid-July to early October, middle week Aug 30 – Sep 5

Elephantopus 1

leafy elephant's-foot (Elephantopus carolinianus)leafy elephant's-footElephantopus carolinianusPhoto © Michael J. Papay · CC BY 4.0Early August to mid-October, middle week Sep 6–12

Erigeron 5

Philadelphia fleabane (Erigeron philadelphicus)Philadelphia fleabaneErigeron philadelphicusPhoto © gj · CC BY-NC 4.0Mid-April to mid-June, middle week May 17–23annual fleabane (Erigeron annuus)annual fleabaneErigeron annuusPhoto © Dinesh Valke · CC BY-NC-SA 4.0Early May to late September, middle week Jun 28 – Jul 4daisy fleabane (Erigeron strigosus)daisy fleabaneErigeron strigosusPhoto © Curren Frasch · CC BY-NC 4.0Mid-May to late September, middle week Jul 26 – Aug 1horseweed (Erigeron canadensis)horseweedErigeron canadensisPhoto © Zihao Wang · CC BY 4.0Late June to mid-October, middle week Sep 6–12

Showing 48 of 163

Missing records do not mean a species is absent.