Gymnocarpium Dryopteris, or more commonly know as Western Oakfern, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Gymnocarpium. Its duration is perennial which means it will grow year after year. Gymnocarpium Dryopteris or Western Oakfern's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Arizona, Colorado, Connecticut, Iowa, Idaho, Illinois, Massachusetts, Maryland, Maine, Michigan, Minnesota, Montana, North Dakota, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin and Wyoming.
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