Vascular Plants of North Carolina
Account for Common Ragweed - Ambrosia artemisiifolia   L.
Members of Asteraceae:
Members of Ambrosia with account distribution info or public map:
Google Images
Section 6 » Order Asterales » Family Asteraceae
Show/Hide Synonym
DistributionThroughout the state, including Outer Banks and barrier islands.

Newf. to southern AK, south to FL and CA.
AbundanceCommon to often abundant.
HabitatMostly disturbed soiil of fields, pastures, roadsides, powerlines, clearings, vacant lots, yards, etc. Also on rock outcrops and ledges.
PhenologyFlowering and fruiting August-October.
IdentificationNo doubt familiar to all naturalists, and to hay fever sufferers, Common Ragweed has broad leaves that are dissected into fern-like divisions. Stems typically grow 1-3 feet, sometimes much more. The inflorescence is terminal and branched, with female flowers clustered in the leaf axils and male flowers forming erect, linear rows.
Taxonomic CommentsNone

Other Common Name(s)Annual Ragweed, Low Ragweed
State RankS5
Global RankG5
State Status
US Status
USACE-agcpFACU link
USACE-empFACU link
County Map - click on a county to view source of record.
Photo Gallery
B.A. SorrieSame data. MoorePhoto_natural
B.A. SorriePiedmont, dry roadside/powerline, Aug 2015. MoorePhoto_natural
Select a source
Select an occurrence type