| maidenhair fern (Adiantum pedatum) | UWSP Common Plants of Wisconsin | ||
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       | maidenhair fern (Adiantum pedatum; MAIDENHAIR FERN FAMILY [Pteridaceae]) Medium-sized fern (to about 2') with finely divided fronds of distinctly flattened pinnae with fan-shaped to oblong pinnules (look at the pictures!). Leafstalks wiry and shiny black. Sori on, and covered by, the upper margins of the pinnae. Shady understories of rich woods. [013] 
 
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