Phemeranthus teretifolius (Pursh) Raf. in Med. Repos., ser. 2, 5: 350. 1808 Phemeranthus teretifolius (Pursh) Raf. in Med. Repos., ser. 2, 5: 350. 1808Taxon for this namePhemeranthus teretifolius (Pursh) Raf. in Med. Repos., ser. 2, 5: 350. 1808