The order of the liverworts containing the families Riellaceae, Sphaerocarpaceae.
Riellaceae
Description of the characteristics of this family, the genus Riella and the species R. americana and affini. Riella is unique among hepatics in living submerged in fresh or brackish water in arid and semiarid regions.
Sphaerocarpaceae
Description of the characteristics of this family, the genus Sphaerocarpus and the species S. cristatus, donnellii, drewii, hians, sphaerocarpus and texanus.
[Mozilla]
Last update:
January 2, 2007 at 17:58:45 UTC
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