| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Rutaceae | Ptelea trifoliata var. 1 [=polyadenia] | New Mexico Wafer-ash | Rocky hillsides, creek banks. | AR, OK, and CO south to w. TX, NM, AZ, and Mexico. | |
| Rutaceae | Ptelea trifoliata var. baldwinii | Florida Wafer-ash | Mesic hammocks. | Panhandle and n. FL south to c. FL. |  |
| Rutaceae | Ptelea trifoliata var. mollis | Hairy Wafer-ash | Moist to dry forests, woodlands, and outcrops over calcareous or mafic substrates. | VA south to n. FL, west to c. TX. |  |
| Rutaceae | Ptelea trifoliata var. persicifolia | Peachleaf Wafer-ash | Hillsides, rocky areas, stream bottoms. | AR and OK south to sc. TX (mainly in the Edwards Plateau). | |
| Rutaceae | Ptelea trifoliata var. trifoliata | Common Wafer-ash | Rocky hillsides, glades, and barrens, especially over calcareous or mafic rocks, prairies, prairie woodlands. | NY west to WI, south to FL and TX. |  |
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