Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
WEAKLEY'S FLORA (11/30/12):
Iris sibirica
FAMILY
Iridaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Iris sibirica
FAMILY
Iridaceae
COMMON NAME:
Siberian Iris
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Richard and Teresa Ware rtw_iris_sibirica_11
May
Sepals flaring or curving downward apically, widely orbiculate, per Flora of North America.
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Richard and Teresa Ware rtw_iris_sibirica_5
May
Petals erect, narrowly elliptic-obovate, per Flora of North America.