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Angiosperms: Dicotyledons

Onagraceae
Evening Primrose Family

Gray evening primrose
Oenothera villosa Thunb.
Oenothera biennis L. var. canescens T. & G.
Can be found in these counties:

Counties Map

AudubonBlack HawkCass
CedarCerro GordoCherokee
ClaytonClintonDavis
DelawareDes MoinesDickinson
EmmetFayetteGuthrie
HamiltonHarrisonHoward
IdaIowaJasper
JohnsonJonesLee
LinnLyonMonona
MuscatineO'BrienOscelo
PlymouthPolkPoweshiek
RinggoldSiouxStory
TamaUnionWashington
WebsterWinnebagoWinneshiek
Woodbury