$modus 0: smartphone
$modus 1: smartphone
Vernonia arkansana
Vernonia arkansana DC. [Accepted]
Compositae Vernonieae Vernoniinae
2 1055655 Vernonia arkansana DC.
J. Torrey, L. Sitgreave, Report of an expedition down the Zuni and Colorado rivers: t. 2 (1853)
6 1055655 Vernonia arkansana DC.
Addisonia, vol. 5 : t. 166 (1920) [M.E. Eaton]
Vernonia arkansanaDC. [Vernonia crinita Raf.]
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 742 (1972) [V. Frazier]