duckweed fern
English
editNoun
editduckweed fern (plural duckweed ferns)
- Any of various species of aquatic fern in the genus Azolla.
- 2018, Tim Flannery, Europe: A Natural History, page 76:
- If you have ever had a pond you will know Azolla, a.k.a. pondweed, duckweed fern or fairy moss.
References
edit- duckweed fern on Wikipedia.Wikipedia
- Azolla on Wikispecies.Wikispecies
- Azolla on Wikimedia Commons.Wikimedia Commons