Habit: Aquatic, submerged or in mud, forming dense clumps.
Sporangium Case: subterranean, fused to stalk tip, spheric, hairy; teeth 0.
Species In Genus: +- 6 species: generally temperate.
Etymology: (Latin: little ball, from sporangium case)
Jepson eFlora Author: Andy Murdock, Alan R. Smith & Thomas Lemieux
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
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