The members of the Cichorieae have white latex and most have flower heads with perfect 5-dentate, mostly-yellow, ligulate flowers.
↑ ICN (Hand R., Kilian N. & Raab-Straube E. von; general editors) 2009+ (continuously updated): International Cichorieae Network: Cichorieae Portal. Published at http://cichorieae.e-taxonomy.net/portal/; accessed 21 Sep. 2015.
1989. T. dubius var. major Voll.
↑ NYFA finds T. lamottei to be a distinct species, not found in New York, while NRCS gives T. lamottei as the accepted name for T. pratensis. Other sources treat T. lamottei as a synonym of T. pratensis.
1753. Lactuca virosa L. misappl.
1763. Lactuca scariola L. orth.var.
1838. Lactuca pulchella (Pursh) DC.
1841. Mulgedium pulchellum (Pursh) Nutt.
1791. Lactuca muralis (L.) Gaertn.
1822. Cicerbita muralis (L.) Wallr.
1827. Mycelis muralis (L.) Dumort.
Sonchus nymanii Tineo & Guss.
1840. Crepis capillaris (L.) Wallr.
1797. Crepis setosa Haller f.
1833. Nabalus altissimus (L.) Hook.
Prenanthes nana Torr. ex DC.
Prenanthes boottii (DC.) D. Dietr.
Hawkweed oxtongue is becoming increasingly common along roadsides in the Northeast, and it is considered to be a noxious weed in Washington State.
1762. Hedypnois hieracioides (L.) Huds.
1803. Apargia hieracioides (L.) Willd.
The Hieraciinae contains the hawkweeds. Some sources include them all in genus Hieracium, while others split them into two genera, as is done here.
(L.) F.W.Schultz & Sch. Bip.
(DC.) F. W. Schultz & Sch. Bip.
1803. V. noveboracensis (L.) Michx.
1891. Vernonia gigantea (Walter) Trel.
1803. Vernonia glauca (L.) Willd.