| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Orobanchaceae | Castilleja citrina | Yellow Paintbrush, Citron Paintbrush | Calcareous prairies, post oak woodlands, other rocky or sandy soils. | KS south through OK to wc. TX. | |
| Orobanchaceae | Castilleja coccinea | Eastern Paintbrush | Woodlands, fens, barrens, rock outcrops, prairies, hay meadows, wet pastures, grassy openings, usually over mafic rocks. | ME, NY, and MN south to SC, n. GA, n. AL, c. MS, w. LA, and OK. |  |
| Orobanchaceae | Castilleja halophila | Salt Prairie Paintbrush, Texas Seaside Paintbrush | Hypersaline and shell barrens on coastal barrier islands, parasitic on Iva. | Endemic to coastal TX (Aransas, Nueces, and San Patricio counties). | |
| Orobanchaceae | Castilleja indivisa | Texas Paintbrush | Prairies, sandy or silty woodlands, eastwards adventive in dry, disturbed areas, such as roadsides. | AR and OK south to w. LA and TX and Mexico (AGU and CHH). |  |
| Orobanchaceae | Castilleja kraliana | Cahaba Paintbrush | Dolomitic Ketona glades. | Endemic to dolomitic Ketona glades in Bibb County, c. AL (Allison & Stevens 2001). |  |
| Orobanchaceae | Castilleja lindheimeri | Lindheimer's Paintbrush | Rocky outcrops, grasslands, or woodlands, over limestone or granite. | Nc. TX south to sc. and se. TX. | |
| Orobanchaceae | Castilleja purpurea | Prairie Paintbrush, Purple Paintbrush | Prairies, limestone outcrops. | Sc. MO and se. KS south through OK to c. and e. TX. | |
| Orobanchaceae | Castilleja sessiliflora | Downy Painted-cup, Great Plains Paintbrush | Prairies. | S. WI, MN, MB, SK, and AB south to n. IL, nw. MO, e. OK, e. TX, and n. Mexico. |
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