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Angiosperms: Dicotyledons

Onagraceae
Evening Primrose Family

Toothed evening primrose
Calylophus serrulatus (Nutt.) Raven
Oenothera serrulata Nutt.
Can be found in these counties:

Counties Map

Black HawkBooneBremer
Buena VistaButlerCarrol
Cerro GordoCherokeeChickasaw
ClayDallasDelaware
DickinsonEmmetFayette
FloydFranklinFremont
GuthrieHamiltonHancock
HardinHarrisonHumboldt
IdaIowaJasper
JohnsonKossuthLyon
MillsMitchellMonona
O'BrienOsceloPalo Alto
PlymouthPolkPottawattamie
ShelbySiouxStory
WayneWebsterWinnebago
WinneshiekWoodburyWright