$modus 0: smartphone
$modus 1: smartphone
Silphium perfoliatum
Silphium perfoliatum L. [Accepted]
Compositae
2 949185 Silphium perfoliatum L.
Iconogr. Taurinensis: (1752-1868)
2 949185 Silphium perfoliatum L.
A.J. Kerner von Marilaun, A. Hansen, Pflanzenleben, vol. 1 : p. 180, fig. 2 (1887-1891)
2 949185 Silphium perfoliatum L.
W. Curtis, Bot. Mag., vol. 61 [ser. 2, vol. 8]: t. 3354 (1834) [W.J. Hooker]