| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Plantaginaceae | Mecardonia acuminata var. acuminata | Mecardonia, Common Axil-flower | Marshes, ditches, wet pine savannas, bottomland forests, wet disturbed areas. | DE and MD south to n. peninsular FL, west to e. TX, north in the interior to KY, TN, and MO. |  |
| Plantaginaceae | Mecardonia acuminata var. microphylla | Pond Axil-flower | Margins of Coastal Plain ponds, wet pine savannas. | Sc. GA south to Panhandle FL and west to e. LA; also reported for SC and NC (Ahedor 2019b). |  |
| Plantaginaceae | Mecardonia acuminata var. peninsularis | Florida Axil-flower | Bogs, wet pine savannas, marshes, pond margins. | N. FL peninsula (Levy, Marion, and Volusia counties) south to s. FL. |  |
| Plantaginaceae | Mecardonia procumbens | Baby Jump-up | Ponds, streams, ditches, moist shores. | FL, AL, MS, AR, TX, NM, and AZ south. Reported for MS (Philley 2020). Discovered in GA (Camden County; R. Carter & R. Mears, pers.comm., 2023). |  |
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