|University of California, Berkeley|
Key to families | Table of families and genera
1. Leaf blade midrib adaxially glabrous, blade ± membranous to leathery, not fleshy
2. Leaf segment generally < 2.5 cm, generally < 1 cm wide; leaf blade ± membranous to ± thick, not leathery, ± firm, not brittle; sori 1–2.5 mm ..... P. hesperium
2' Leaf segment 2.5–7(10) cm, 0.9–1.8(2.5) cm wide; leaf blade thick, leathery, firm, brittle; sori 2–6 mm ..... P. scouleri
1' Leaf blade midrib adaxially hairy, if glabrous, blade membranous to fleshy, not leathery, often firm
3. Veins free; sori generally round ..... P. glycyrrhiza
3' Veins free and fused; sori round to generally ovate or oblong
4. Leaf blade deltate to ovate, often ± irregular in outline, lower 1–3 segment pairs often >= those above; sori generally ± sunken, round to generally ovate; Central Coast, Outer South Coast Ranges, Southwestern California ..... P. californicum
4' Leaf blade oblong-ovate, ± regular in outline, lower 1–3 segment pairs generally < those above; sori not sunken, ovate to oblong; Northwestern California (except High North Coast Ranges), Cascade Range Foothills, Sierra Nevada (except s Sierra Nevada Foothills), Great Central Valley (rare), Central Western California ..... P. calirhiza
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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