- Lomaria borealis, a fern of Europe and Northwestern America.
- A species of fern (Lomaria borealis), growing in Europe and Northwestern America.
- A fern of this genus Lomaria, specifically L. Spicant. In Australia, where genus is abundant, the name is given to all of the types of Lomaria. See Lomaria.
- some of a number of ferns of the genus Blechnum
- Definition for "hardfern"
- Lomaria borealis, a fern of Europe and Northwestern…
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- Hyponym for "hardfern"
- Hypernym for "hardfern"