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单词 hard fern
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hard fernn.

Brit. /ˈhɑːd fəːn/, U.S. /ˈhɑrd ˌfərn/
Origin: Formed within English, by compounding. Etymons: hard adj., fern n.1
Etymology: < hard adj. + fern n.1
Any of various ferns constituting the widespread genus Blechnum (family Blechnaceae), typically having rather hard pinnate fronds; esp. B. spicant, an evergreen fern of Europe and North America.
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hard fern1828
crown fern1849
pig-fern1926
1828 J. E. Smith Eng. Flora IV. 316 Blechnum boreale, Northern Hard-fern.
1862 D. T. Ansted & R. G. Latham Channel Islands ii. viii. 182 The blechnum, or hard fern, is plentiful in both islands.
1889 M. C. Cooke Fern Bk. for Everybody 89 The Brackens most resemble the Hard Ferns in the fruiting.
1959 N.Z. Jrnl. Agric. Res. 2 538 Attempts at controlling some small patches of hard fern with this hormone were unsuccessful.
1974 W. Condry Woodlands iii. 36 Ferns also do well in such habitats if there is plenty of shade: male fern, lady fern, broad buckler-fern and hard fern being the largest and commonest species.
2010 R. Rogers Encycl. Container Plants 89/1 (heading) Blechnum hard fern.
2010 J. Freeman Create your own Woodland Garden v. 171 The Hard Ferns are inhabitants mainly of the moist woodlands of the world.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).

> as lemmas

hard fern
hard fern n. = Blechnum.extracted from fernn.1
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n.1828
as lemmas
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