Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Pellaea

View taxon page for Pellaea

(For a list of species in Pellaea, use the above link.)

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

1. Leaf 1-pinnate, pinnae unlobed or deeply 2(3)-lobed

2. Pinnae lance-ovate, deeply 2(3)-lobed; fracture lines at base of stipe many;  scales without dark mid-stripe ..... P. breweri

2' Pinnae rounded, unlobed; fracture lines at base of stipe 0; rhizome scales with dark mid-stripe ..... P. bridgesii

1' Leaf 2–4-pinnate, pinnae compound.

3. Leaf 2–4-pinnate

4. Segment without mucro, generally 6–15 mm, 3–10 mm wide; stipe ± light brown ..... P. andromedifolia

4' Segment with mucro generally 2–6(8) mm, 0.5–2(4) mm wide; stipe dark brown to ± black ..... P. mucronata var. mucronata

3' Leaf 2-pinnate

5. Segment 5–15 × longer than wide, >  ..... P. brachyptera

5' Segment 1–4 × longer than wide, < costa

6. Fertile segment generally appearing folded in half,  margins ± meeting abaxially; c&s SNH, TR, PR, SNE, DMtns (except Providence, New York mtns) ..... P. mucronata var. californica

6' Fertile segment not appearing folded in half, recurved margins not meeting abaxially; DMtns (Providence, New York mtns) ..... P. truncata


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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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