Dennstaedtia punctilobula, commonly known as eastern hayscented fern or hay-scented fern, is a species of fern in the family Dennstaedtiaceae. It is native to eastern North America and is typically found in dry woods and rocky slopes. The plant has several synonyms, including Nephrodium punctilobulum, Phegopteris punctilobula, and Nephrolepis punctilobula. One of the distinguishing features of the fern is its hay-like scent, which is released when the fronds are crushed or disturbed. The fern is a popular ornamental plant in gardens and landscaping and is known for its attractive, delicate fronds.