| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Hydrophyllaceae | Hydrophyllum appendiculatum | Great Waterleaf, Biennial Waterleaf | Rich mesic forests. | S. ON and MN, south to sw. PA, a. and sc. WV, e. TN, n. AL (Jackson Co.), MO, and e. KS. It was attributed to NC by Small (1933) on unknown grounds. |  |
| Hydrophyllaceae | Hydrophyllum atranthum | Appalachian Waterleaf | Rich cove forests and other moist rocky forests, up to 5500 feet in elevation. | N. WV south through w. and sw. VA and e. KY to w. NC and e. TN. |  |
| Hydrophyllaceae | Hydrophyllum brownei | Browne's Waterleaf | Rich and often rocky forests. | Endemic to the Ozarks and Ouachitas of AR. | |
| Hydrophyllaceae | Hydrophyllum canadense | Mapleleaf Waterleaf, Canada Waterleaf, Broadleaf Waterleaf | Cove forests, rocky streambanks, other moist and nutrient-rich forests. | VT and s. ON west to MI and WI, south to n. GA, AL, ne. AR (?), and MO. |  |
| Hydrophyllaceae | Hydrophyllum macrophyllum | Hairy Waterleaf | Cove forests and other moist rocky forests, especially over calcareous or mafic rocks. | WV west to OH, and IL, south to sw. VA, w. NC, n. GA, and n. AL; disjunct in the lower Piedmont of SC (Kershaw County; L.L. Gaddy, pers. comm. 2013). |  |
| Hydrophyllaceae | Hydrophyllum virginianum | Eastern Waterleaf, Virginia Waterleaf | Cove forests, moist rocky forests, alluvial forests. | NH and QC west to ND, south to e. VA, c. NC, KY, s. IN, s. IL, nc. AR, and ne. OK. |  |
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