|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Plant generally aquatic, generally rooted in, often stranded on mud; rhizome creeping, slender, branched
Leaves floating, emergent, or out of water, ± alike; blade 1-palmate or 0, << petiole; veins not or repeatedly forked, free or netted
Sporangia in stalked, spheric or ± flat-ovoid, hard cases of 1 kind, near petiole base
Spores large (female) and small (male), in separate sporangia
Genera in family: 3 genera, ± 70 species: especially temp.
Leaf grass-like; blade 0
Sporangium case fused only to stalk tip, spheric, hairy; teeth 0
Species in genus: ± 6 species: generally temp
Etymology: (Latin: little ball, from sporangium case)
Leaves generally 26(11) cm
Sporangium case ± 23 mm diam
Ecology: Vernal pools, mud flats, lake margins, reservoirs, etc.
Elevation: < 1500 m.
Bioregional distribution: Inner North Coast Ranges, Cascade Range, n&c Sierra Nevada Foothills, n High Sierra Nevada, Great Central Valley, San Francisco Bay Area, South Coast Ranges, South Coast, Western Transverse Ranges, Peninsular Ranges
Distribution outside California: Oregon, Baja California; also scattered c&se US, S.America
Poorly collected, often overlooked due to its small, grass-like appearance
Horticultural information: TRY.