duckweed fern en · NOUN
Meanings
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Any of various species of aquatic fern in the genus Azolla.
If you have ever had a pond you will know Azolla, a.k.a. pondweed, duckweed fern or fairy moss.
2018, Tim Flannery, Europe: A Natural History, page 76:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| duckweed ferns | Number=Plur | lexicographic |