| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Aristolochiaceae | Aristolochia clematitis | Birthwort | Disturbed areas. | Native of Europe. Naturalized in se. PA (Rhoads & Block 2007) and MD (Barringer in FNA 1997). |  |
| Aristolochiaceae | Aristolochia elegans | Elegant Dutchman’s-pipe, Calico-flower | Disturbed areas. | Native of Brazil. |  |
| Aristolochiaceae | Aristolochia erecta | Swanflower | Thickets. | C. and ec. TX to Mexico (COA, VER). |  |
| Aristolochiaceae | Aristolochia labiata | Roosterflower | Disturbed areas, spread from horticultural use. | Native of South America. | |
| Aristolochiaceae | Aristolochia maxima | Dutchman's-pipe | Disturbed tropical hammocks. | Native of Mexico and Central America. |  |
| Aristolochiaceae | Aristolochia pentandra | Coastal Aristolochia, Marsh’s Dutchman’s-pipe | Rockland and maritime hammocks. | S. FL; West Indies; s. TX and Mexico (widespread). |  |
| Aristolochiaceae | Aristolochia ringens | Gaping Dutchman’s-pipe | Disturbed tropical hammocks, other disturbed upland areas. | Native of South America. |
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