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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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.
Leaf: blades floating and emergent; stipe of floating leaves weak.
Sporangium case: fused to stalk 0.8–1.7 mm, ± flat- ovoid; hairs long, dense, deciduous or not; distal tooth present or 0, tip of stalk often appearing tooth-like.
± 60 species (L.F. Marsigli, Italian botanist, 1656–1730) [Johnson 1986 Syst Bot Monogr 11:1–87] Marsilea mutica Mett. (native to Australia, New Caledonia), Marsilea drummondii A. Braun (native to Australia) cultivated in US in aquatic gardens, occasional escape in urban areas, may persist in CA; weed of concern in se US [Knepper et al. 2002 Amer Fern J 92:243–244].
1. Distal tooth of sporangium case obtuse, < 0.4 mm or 0; sporangial stalk nodding, fused to case 0.8–1 mm ..... M. oligospora
1' Distal tooth of sporangium case acute, (0.2)0.4–1.2 mm; sporangial stalk ± erect, fused to case 1.1–1.7 mm ..... M. vestita subsp. vestita
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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