silvery spleenwort
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| Noun | 1. |  silvery spleenwort - fern with elongate silvery outgrowths enclosing the developing sporesfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores Deparia, genus Deparia - classification used for 5 species of terrestrial ferns usually placed in other genera |
| 2. |  silvery spleenwort - North American fern with narrow fronds on yellowish leafstalksfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores Athyrium, genus Athyrium - temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium |
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