Ratibida

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

Prairie coneflowers
Ratibida columnifera
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
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.

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)