| dennstaedtia | (n) chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae, Syn. genus Dennstaedtia |
| dennstaedtiaceae | (n) one of a number of families into which Polypodiaceae has been subdivided in some classification systems, Syn. family Dennstaedtiaceae |
| hay-scented | (n) fern of eastern North America with pale green fronds and an aroma like hay, Syn. boulder fern, Dennstaedtia punctilobula, scented fern, hay-scented fern |