Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (5/21/15):
Polygonum aviculare ssp. aviculare
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum aviculare
FAMILY
Polygonaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (1968) 063-04-003:
Polygonum aviculare
FAMILY
Polygonaceae
GREATER THAN
Gray's Manual of Botany (Fernald, 1950)
Polygonum aviculare var. aviculare
LESS THAN
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Polygonum aviculare
COMMON NAME:
Prostrate Knotweed
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)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_poav_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_poav_003_lvd
)
Terry Holdsclaw tdh_p_aviculare_aviculare
June Iredell County NC
Leaves blue-green, sheaths silvery. Plant usually prostrate, sometimes erect, per Newcomb's Wildflower Guide.