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Athyrium thelypteroides

DEFINITIONS OF: Athyrium thelypteroides

1

n fern with elongate silvery outgrowths enclosing the developing spores

Synonyms:
Deparia acrostichoides, silvery spleenwort
Type of:
fern
any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
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