$modus 0:
$modus 1:
Vernonia betsimisaraka
Vernonia betsimisaraka Humbert [Accepted]
Compositae Vernonieae Vernoniinae
2 1055739 Vernonia betsimisaraka Humbert
Fl. Madag., vol. 189(1): (Composées 1): p. 65 (1960) [D. Godot de Mauroy]