$modus 0: smartphone
$modus 1: smartphone
Symphyotrichum tardiflorum
Symphyotrichum tardiflorum (L.) [Accepted]
Compositae
107198
Aster tardiflorus test 8 L.
C.S. Sargent, Gard. & Forest, vol. 10 : p. 15, fig. 4 (1897)