a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 in. (50.8 to 76.2 cm) long on yellowish-green stalks.
SILVERY SPLEENWORT
Meaning of SILVERY SPLEENWORT in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012