|University of California, Berkeley|
Key to families | Table of families and genera
1. Leaves generally 30–150+ cm; stipe generally > 1.5 mm diam, if < then indusia 0; blade generally 25–130 cm, (5)10–60 cm wide; indusia 0, oblong, J-shaped, or reniform ..... ATHYRIUM
1' Leaves generally < 30 cm; stipe generally < 1.5 mm diam; blade generally 10–25 cm, 1–10 cm wide; indusia hood- or cup-like and of many segmented hair- or scale-like fragments or lobes
2. Indusium hood-like; pinnae sides unequal, acroscopic pinnules more spreading, larger, more incised; leaf blade axes abaxially glabrous ..... CYSTOPTERIS
2' Indusium cup-like, of many segmented hair- or scale-like fragments or lobes encircling sorus from below, often obscure in age; pinnae sides ± equal; leaf, blade axes abaxially with (without) short-stalked glands or gland-tipped hairs 0.1–1 mm ..... WOODSIA
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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