Jepson eFlora
Key to families | Table of families and genera

Key to Asplenium

View taxon page for Asplenium

1. Leaves simple or 1–2-forked, blades narrowly linear ..... A. septentrionale

1' Leaves 1-pinnate, blades linear, pinnae many, blades wider than linear

2. Stipe ± green or straw-colored above red-brown base ..... A. viride

2' Stipe dark red- to purple-brown ± throughout

3. Stipe 0.4–0.6 mm wide, narrowly winged adaxially; pinnae 3–6(7) mm, generally shallowly crenate on acroscopic and distal margins ..... A. trichomanes subsp. trichomanes

3' Stipe generally 0.5–1 mm wide, unwinged; pinnae generally 5–12 mm, margin shallowly lobed or toothed ± throughout ..... A. vespertinum

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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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