This is a delightful spring wildflower of woodlands – both the flowers and foliage are attractive. Dutchman's Breeches is one of the earlier woodland wildflowers to bloom. The only other species with a similar appearance is Dicentra canadensis (Squirrel Corn). Squirrel Corn also occurs in mesic deciduous woodlands and blooms only a little later than Dutchman's Breeches. The nectar spurs of Squirrel Corn are shorter and more rounded than those of Dutchman's Breeches, and its white flowers are fragrant. It also has a root system that produces small edible tubers. Within the Fumitory family, Dicentra spp. differ from Corydalis spp. by the structure of their flowers – the former have flowers with 2 nectar spurs, while the latter have flowers with a single nectar spur.