Jepson eFlora
Key to families | Table of families and genera

Key to Dryopteris

View taxon page for Dryopteris

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Leaf ± 3-pinnate, proximal pinnae > others, sides strongly unequal ..... D. expansa

1' Leaf 1–2-pinnate, proximal pinnae <= others, sides ± equal

2. Stipe generally > 1/3 leaf length; longest pinnae generally near blade base; veins into segment teeth, adaxially obscure; scales of pinna midribs lance-ovate to lanceolate; blade, indusial glands sparse to ± dense; blades thick; Northwestern California, Sierra Nevada, Sacramento Valley, Central Western California, Southwestern California, Modoc Plateau, s Mojave Desert ..... D. arguta

2' Stipe generally <= 1/3 leaf length; longest pinnae generally near blade middle; veins generally not into segment teeth, adaxially ± widened, prominent at tip; scales of pinna midribs hair-like, linear; blade, indusial glands generally 0 or very sparse; blades thin; San Bernardino Mountains, White and Inyo Mountains ..... D. filix-mas


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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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