Dennstaedtia
''Dennstaedtia'' is a mostly tropical and subtropical genus of ferns described as a genus in 1801. Hayscented fern, or Cup ferns, are common names for some species in this genus. Its best-known member is probably the temperate North-American hay-scented fern, ''Dennstaedtia punctilobula'' (pictured in the taxobox), which forms extensive clonal ground-cover colonies on level surfaces in the Appalachian area. Some characteristics of Dennstaedtia:"Fronds homomorphic; stipe grooved above, hairy when young... lamina triangular to oblong, many times pinnate, usually densely hairy, especially on rachis... Veins free, pinnately branching, veinlet not reaching margin, with '' hydathode'' at apex. Sori orbicular, marginal, terminal on each veinlet, separate..." File:司氏碗蕨 Dennstaedtia smithii 20220716183935 02.jpg, Groove on the stipe.'' D. smithii'', with a vertical white line on either side of the groove. File:司氏碗蕨 Dennstaedtia smithii 20220716183935 05.jpg, Sori and ...
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