Hydrophyllum

Hydrophyllum brownei

Hydrophyllum canadense

Bluntleaf waterleaf

Hydrophyllum fendleri

Fendler's waterleaf

Hydrophyllum macrophyllum

Largeleaf waterleaf

Hydrophyllum occidentale

Western waterleaf

Hydrophyllum virginianum

John's-cabbage

Hydrophyllum capitatum var. capitatum

Hydrophyllum virginianum var. atranthum

Hydrophyllum alpestre

Hydrophyllum virginianum var. patens

Hydrophyllum capitatum var. thompsonii

Hydrophyllum fendleri var. fendleri

Hydrophyllum virginianum var. virginianum

Hydrophyllum appendiculatum

Great waterleaf

Hydrophyllum capitatum

Woollen-breeches

Hydrophyllum fendleri var. albifrons

Hydrophyllum tenuipes