| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Asteraceae | Parthenium auriculatum | Glade Wild Quinine | In shallow, xeric, circumneutral soil of glades, barrens, and woodlands, over calcareous rocks (such as dolostone) or mafic rocks (such as diabase). | Ne. WV south to nc. SC. Reports from AL and c. TN appear to be misidentified. | 
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| Asteraceae | Parthenium hispidum | Ozark Wild Quinine, Hispid Wild Quinine | Barrens, prairies, especially over limestone or dolostone. | IL and KS south through the Interior Highlands to nw. LA and ne. TX; disjunct in c. TN. | 
|
| Asteraceae | Parthenium hysterophorus | Santa Maria, Feverfew, Gajarghass, Congress Grass | Disturbed areas. | Native of tropical America, including the West Indies. | 
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| Asteraceae | Parthenium integrifolium var. integrifolium | Common Wild Quinine | Woodlands, roadsides, various dryish habitats, mainly open or sparsely wooded. | VA west to MN, south to SC, GA, ne. MS, and nw. AR. | 
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| Asteraceae | Parthenium integrifolium var. mabryanum | Sandhill Wild Quinine, Mabry's Wild Quinine, Carolina Wild Quinine | Longleaf pine sandhills, Piedmont oak-pine woodlands, and other sunny situations in dry soils (roadsides). | Nc. SC, e. NC, and se. VA, extending into the e. Piedmont of NC in dry sandy soils around granitic flatrocks or in (formerly) fire-maintained pine, oak-pine, and oak woodlands. | 
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| Asteraceae | Parthenium lyratum | Gray's Feverfew | Grasslands, mesquital. | S. TX, c. TX, NM, and s. AZ south into Mexico. | 
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