Botrychium virginianum.
Botanical name:
Botrychium virginianum Swartz. Ophioglossaceae. Rattlesnake Fern.
This large, succulent fern is boiled and eaten in the Himalayas as well as in New Zealand.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.
