silvery spleenwort

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. North American fern with narrow fronds on yellowish leafstalks
• Syn:
glade fern, narrow-leaved spleenwort, Athyrium pycnocarpon, Diplazium pycnocarpon
• Hypernyms:
fern
• Member Holonyms:
Athyrium, genus Athyrium
2. fern with elongate silvery outgrowths enclosing the developing spores
• Syn:
Deparia acrostichoides, Athyrium thelypteroides
• Hypernyms:
fern
• Member Holonyms:
Deparia, genus Deparia