boulder fern | sense examples, Usage and Definition from wordnet dictionary online

Noun boulder fern has 1 sense

hay-scented, hay-scented fern, scented fern, boulder fern, Dennstaedtia punctilobula - fern of eastern North America with pale green fronds and an aroma like hay
--₁ is a kind of fern
--₁ is a member of Dennstaedtia, genus Dennstaedtia