Ratibida

Prairie coneflowers
	Ratibida columnifera
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Supertribe:	Helianthodae
Tribe:	Heliantheae
Subtribe:	Rudbeckiinae
Genus:	Ratibida; Raf.[1]
Type species
	Ratibida sulcata; Raf.
Synonyms[2]
	Lepachys Raf.; Obeliscaria sect. Ratibida (Raf.) DC.; Obeliscaria sect. Lepachys (Raf.) DC.; Obelisteca Raf.; Obeliscaria Cass.;

Ratibida is a genus of North American plants in the sunflower tribe within the daisy family.[1][3] Members of the genus are commonly known as prairie coneflowers[4][5][6] or mexican-hat.[7]

Species

There are 7 species:[2][8][9][10]

Ratibida coahuilensis B.L.Turner - Coahuila
Ratibida columnifera (Nutt.) Wooton & Standl. – Upright prairie coneflower - widespread in Canada, United States, and northeastern Mexico
Ratibida latipalearis E.L.Richards - Chihuahua
Ratibida mexicana (S.Watson) W.M.Sharp - Chihuahua, Coahuila, Sonora
Ratibida peduncularis (Torr. & A.Gray) Barnhart – Naked prairie coneflower - Louisiana, Texas
Ratibida pinnata (Vent.) Barnhart – pinnate prairie coneflower - Ontario, eastern + central United States (primarily Great Lakes + Mississippi Valley)
Ratibida tagetes (E.James) Barnhart – short-ray prairie coneflower - Chihuahua, United States (desert southwest, western Great Plains)

"Genus: Ratibida Raf". Germplasm Resources Information Network. United States Department of Agriculture. 1996-09-17. Retrieved 2011-02-10.
Flann, C (ed) 2009+ Global Compositae Checklist Archived 2015-01-04 at Archive.today
Rafinesque, Constantine Samuel. 1817. Florula Ludoviciana, page 73
"Ratibida". Integrated Taxonomic Information System. Retrieved 2011-02-10.
Tropicos, Ratibida Raf.
Richards, E. L. 1968. A monograph of the genus Ratibida. Rhodora 70: 348–393.
"Ratibida". Go Botany. New England Wildflower Society.
Biota of North America Program, 2013 county distribution maps
"GRIN Species Records of Ratibida". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2011-02-10.
Urbatsch, Lowell E.; Cox, Patricia B. (2006). "Ratibida". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

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