Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (11/30/12):
Alternanthera sessilis
FAMILY
Amaranthaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Alternanthera sessilis
FAMILY
Amaranthaceae
COMMON NAME:
Sessile Joyweed
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USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org bug_0015010
Month Unknown
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Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376308
Month Unknown
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Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376309
Month Unknown