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Ch. 21: Nonvascular Plants: Mosses, Liverworts, and Hornworts, Cross-Link…
Ch. 21: Nonvascular Plants: Mosses, Liverworts, and Hornworts
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Cross-Link Connection: Archegoniophores of Marchantia are easily recognizable because they have long finger-like segments radiating from the stalk. Archegonia are located on the underside. Each archegonium consists of a long, tubular neck and a slight swollen base that are all only one cell thick. Each archegonium only contains one egg.
Cross-Link Connection: Leafy liverworts such as Lophocolea can be easily confused with mosses. Their distinguishing features are their lobed leafs, which grow from two apical points and their basal pouch. Moss leaves are never like this.
Cross-Link Connection: Marchantia the most abundant greenhouse liverwort, unfortunately it is one of the least typical. As in mosses, the large green plant is the gametophyte, not the sporophyte. The cup-shaped structures contain clumps of cells that can be splashed out by rain and then grow into new plants.
