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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.

 

ARGYROCHOSMA
Plant in soil or rock crevices; rhizome short-creeping, scales lance-linear, tan to ± red. Leaf: < 40 cm; hairs 0; scales 0; stipe cylindric, dark, glabrous or ± scaly at base; blade 2–5-pinnate, segments stalked, generally < 5 mm, round to oblong, blue- to gray-green, generally thick, veins obscure; axes, blades covered with ± white exudate abaxially or not. Sporangia: along veins for outer 1/3–2/3 of segments; segment margin unmodified, often only ± recurved; spores tan, coarsely ridged.
± 20 species: America. (Greek: silver ornament) {hort link} Closer to Pellaea than to Notholaena.
Unabridged references: [Windham 1987 Amer Fern J 77:37–41]

Key to Argyrochosma

1. Leaf blade without ± white exudate abaxially, 2–3-pinnate; basal pinnae spreading to ± ascending ..... A. jonesii

1' Leaf blade covered with ± white exudate abaxially, 3–5-pinnate; basal pinnae ± strongly ascending ..... A. limitanea subsp. limitanea

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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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