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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Plant in soil or rock crevices; rhizome short-creeping-decumbent, scales lance-elongate, generally dark, with narrow, lighter margin or not. Leaf: ± alike or fertile, sterile ± dissimilar; axes grooved, light to dark brown; blade 3–4-pinnate, ovate-triangular to 5-sided, glabrous, adaxially ± glossy; pinnae long, narrow, tip pointed, sterile. Sporangia: in small clusters or continuous along margin; false indusia scarious, irregularly toothed.
4 species: generally western North America, also eastern Canada, ± dry, mountain areas. (Greek: shield-bearer, from shield-like false indusia in Aspidotis californica)
1. Sporangia continuous along both sides of segment midvein; false indusia with many shallow, regular teeth; leaf segments linear, ± entire ..... A. densa
1' Sporangia not continuous along both sides of segment midvein; false indusia ± entire or with few to many coarse or deep, irregular teeth or lobes; leaf segments lanceolate to triangular, teeth few
2. False indusia ± as wide as long, free, 1–2(5) per segment, ± entire or with few coarse or deep, irregular teeth ..... A. californica
2' False indusia ± as wide as or wider than long, generally fused at base, 3–5(7) per segment, with many coarse or deep, irregular teeth or lobes ..... A. carlotta-halliae
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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