Jepson eFlora
Key to families | Table of families and genera

Key to Athyrium

View taxon page for Athyrium

1. Sori generally round, ± near margin; indusia 0, marginal tooth often reflexed over sorus ..... A. distentifolium var. americanum

1' Sori oblong or J-shaped, ± not near margin; indusia oblong, J-shaped, or reniform, margin ± reflexed or not, but not over sorus ..... A. filix-femina var. cyclosorum

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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