Leafy liverworts also differ from most (but not all) mosses in that their leaves never have a costa (present in many mosses) and may bear marginal cilia...
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en.wikipedia.org/wiki/Marchantiophyta
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In the leafy liverworts, the antheridia generally occur in a packet-like swelling, the androecium, which develops on the lower portion of a modified leaf. The sporophyte develops from the archegonium. The seta is very delicate, often white and glassy, grows very fast Marchantia polymorpha, a more complicated liverwort,
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www.microscopy-uk.org.uk/mag/artjul98/jpmoss.html
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In appearance they can look leaf-like (leafy liverworts) or form large flat sheets (thallose liverworts) and are represented by approximately 60 families.
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www.hiddenforest.co.nz/bryophytes/liverworts/intro.htm
www.hiddenforest.co.nz/bryophytes/liverworts/intro.htm
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THE LEAFY LIVERWORT Bazzania The liverwort commonly shown in introductory texts is Marchantia. This is unfortunate because Marchantia is not a typical liverwort. In contrast to the vast majority of liverworts which are internally simple leafy forms, Marchantia is a highly specialized, structurally complex thalloid plant.
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www.bio.umass.edu/biology/conn.river/liverwts.html
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UV-B radiation (280–315 nm), incident on the leafy liverwort Cephaloziella varians growing at Rothera Point on the Western Antarctic Peninsula, was manipulated in late austral spring 1998 by screens consisting of a novel combination of Plexiglas panes and polyester sheets. The screens transmitted approximately 79, 68,
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Overview of a Typical Leafy Liverwort: Note the Leaf/Stem Organizational Pattern. Leafy Liverworts generally live in wet environments like those on the...
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www.botany.hawaii.edu/faculty/webb/bot311/bot311-00/Cel...
www.botany.hawaii.edu/faculty/webb/bot311/bot311-00/CellTissOrgan/LeafyLiverworts.htm
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Encyclopedia: Jungermanniales
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Jungermanniales is the largest order of liverworts. They are distinctive among the liverworts for having thin leaf-like flaps on either size of the stem. Most other liverworts are thalloid, with no ...
en.wikipedia.org/wiki/Jungermanniales
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An introduction to backyard liverworts The 8,000 or so species of the Earth's liverworts are usually divided into two groups -- the thallose and the leafy liverworts. The ribbon-like green liverwort in the picture above is a good example of what a "thallus" is.
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www.backyardnature.net/liverwrt.htm
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Alternation of generations revisited The first land plants There are two groups of liverworts, leafy and thallose; we focus on the thallose type which is just about the most primitive true plant alive today.
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www.hcs.ohio-state.edu/hcs300/liver1.htm
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