Epilobium densum Rafinesque. Hab: Marshes, bogs. Dist: QC west to MN, south to s. NJ, n. VA (?), WV, OH, IN, c. IL, and IA. Reported for Arlington County, VA; the single record is regarded as questionable.
Origin/Endemic status: Native
Synonymy: = FNA10; = Epilobium strictum Muhl. ex Spreng. – C, F, G, Il, K1, K3, K4, Mi, NE, NY, Pa, Munz (1965), Wagner, Hoch, & Raven (2007)