Photographer: Geni Certain, Munford

FEELS LIKE FALL NEXT | START OVER | PREVIOUS Pennsylvania Smartweed, Polygonum pensylvanicum, growing alongside a bayou in Vance, Miss. A member of the buckwheat family, this plant is host to several butterflies and moths, but is a weed when it invades crops. Submit a picture. Copyright © 2003 Consolidated Publishing Co.