$modus 0: smartphone
$modus 1: smartphone
Polypodium appalachianum
Polypodium appalachianum Haufler & Windham [Accepted]
Polypodiaceae Polypodioideae Polypodieae
827068
Polypodium vulgare Gilbert var. acuminatum
Bot. Gaz., vol. 34 : p. 143, fig. 4,5 (1902)