Aspidium
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Source: Dryopteris.filix-mas (L.) Schott or D. marginalis (L.) Gray (Family Polypodiaceae).
Common/vernacular names: European aspidium and male fern (D. filix-mas); American aspidium and marginal fern (D. marginalis).
Both are stout perennial ferns with fronds up to about 1 m long; D. filix-mas is the larger of the two. Sori in D. filix-mas are large and near the midvein, while those of D. marginalis are small and near the margin. Dryopteris filix-mas is found in Europe, Asia, North America, South America, and South and northern Africa; D. marginalis grows in eastern and central North America from Nova Scotia to Georgia and Kansas. Parts used are the dried rhizomes and stipes.
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Leung's Encyclopedia of Natural Ingredients
Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics Copyright © 2010 by Wiley-Blackwell. Wiley and the Wiley logo are registered trademarks of John Wiley & Sons, Inc. and/or its affiliates in the United States and other countries. Used here by license. Read more