Calystegia sepium (L.) R. Br. ssp. spectabilis Brummitt
Annotated by Dominic Maze, Aug 2016.

Oregon: Clackamas County: Above seasonal backwater of Willamette River. E of Elk Rock Island.
45.4353° N, 122.6457° W
Coordinate Source: Specimen Label.
Sandy soils above muddy banks of Willamette River in backwater. Associated with Phalaris arundinacea, Xanthium, Helenium, Potentilla anserina, Mentha pulegium. Numerous individuals. Pink flowers; leaf sinuses divergent; bracts "frilled". Phenology: Flowers.

Dominic Maze 137, Aug 9, 2016
HPSU, Accession: 19063