from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Whose sori densely cover the underside of the frond like a felt, without visible gaps between them.
from The Century Dictionary and Cyclopedia
- Pertaining to the fern genus Acrostichum, or to the tribe Acrosticheæ.
From the fern genus Acrostichum (Wiktionary)
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