$modus 0: smartphone
$modus 1: smartphone
Vernonia altissima
Vernonia altissima Nutt. [Accepted]
Compositae Vernonieae Vernoniinae
Vernonia altissima Nutt.
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 743 (1972) [R.O. Hughes]