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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 generally aquatic or in perennially wet areas, generally rooted in mud; rhizome creeping, slender, branched. Leaf: floating, emergent, or out of water, ± alike; blade 1-palmate or 0, << stipe; veins not or repeatedly forked, free or netted. Sporangia: in stalked, spheric or ± flat-ovoid, hard cases of 1 kind, attached near stipe base. Spores: large megaspores (female) and small microspores (male), in separate sporangia.
3 genera, ± 70 species: especially temperate. —Scientific Editors: Alan R. Smith, Bruce G. Baldwin.
1. Leaf blade 1-palmate; leaflets 4, wedge-shaped, hairy; leaf like that of clover or wood sorrel ..... MARSILEA
1' Leaf blade 0; leaf grass-like ..... PILULARIA
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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