$modus 0: smartphone
$modus 1: smartphone
Pityopsis falcata
Pityopsis falcata (Pursh) Nutt. [Accepted]
Compositae
6 803120 Pityopsis falcata (Pursh) Nutt. [125 555213 Inula falcata Pursh]
J. Torrey, Fl. New York [coloured version], vol. 1 : t. 56 (1843) [unsigned]
6 803120 Pityopsis falcata (Pursh) Nutt. [125 555213 Inula falcata Pursh]
Helen Sharp, Water-color Sketches Amer. Pl.: (1896) [Helen Sharp]