| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Comandraceae | Comandra umbellata var. pallida | Western Comandra, Western Bastard-toadflax | Dry upland forests and woodlands, glades, barrens, savannas, upland prairies. | MN, MB, NT, and YT south to nc. TX, NM, AZ, and n. Mexico (CHH, COA, SON). |  |
| Comandraceae | Comandra umbellata var. umbellata | Eastern Comandra, Eastern Bastard-toadflax, Star-toadflax | Dry forests and woodlands, woodland borders, glades, usually in acidic soils and most common in oak/heath forests. | Var. umbellata ranges from ME to e. ND, south to SC, n. GA, n. AL, n. MS, s. AR, e. OK, and c. KS. |  |
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