| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Clallam Food, Unspecified Rhizomes used for food. Fleisher, Mark S., 1980, The Ethnobotany of the Clallam Indians of Western Washington, Northwest Anthropological Research Notes 14(2):192-210, page 194 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Cowlitz Food, Unspecified Rhizomes pit baked overnight and the insides used for food. Gunther, Erna, 1973, Ethnobotany of Western Washington, Seattle. University of Washington Press. Revised edition, page 14 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Eskimo, Alaska Food, Soup Fiddleheads, with the chaffy coverings removed, added to soups. Ager, Thomas A. and Lynn Price Ager, 1980, Ethnobotany of The Eskimos of Nelson Island, Alaska, Arctic Anthropology 27:26-48, page 34 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Eskimo, Alaska Food, Unspecified Fiddleheads, with the chaffy coverings removed, boiled and eaten with seal oil and dried fish. Ager, Thomas A. and Lynn Price Ager, 1980, Ethnobotany of The Eskimos of Nelson Island, Alaska, Arctic Anthropology 27:26-48, page 34 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Klallam Drug, Dermatological Aid Poultice of pounded roots applied to cuts. Gunther, Erna, 1973, Ethnobotany of Western Washington, Seattle. University of Washington Press. Revised edition, page 14 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Snohomish Drug, Dermatological Aid Infusion of leaves used as a hair wash. Gunther, Erna, 1973, Ethnobotany of Western Washington, Seattle. University of Washington Press. Revised edition, page 14 |
| Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy Spreading Woodfern USDA DREX2 |
Thompson Food, Unspecified Rootstocks used for food. Turner, Nancy J., Laurence C. Thompson and M. Terry Thompson et al., 1990, Thompson Ethnobotany: Knowledge and Usage of Plants by the Thompson Indians of British Columbia, Victoria. Royal British Columbia Museum, page 88 |