USGS: Science Topics: liverworts and hornworts

Science Topics

Liverworts and hornworts

Simple green land plants of the phyla Bryophyta with leaves and a stem and always without roots.

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Bryophytes and lichens, small but indispensable forest dwellers [New Window]: Description of bryophytes (mosses, liverworts, and hornworts) and lichens (dual organisms of a fungus and an alga or a cyanobacterium) that are part of forest ecosystems in the Pacific Northwest with information on habitat and conservation.

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U.S. Department of the Interior | U.S. Geological Survey
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