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Treubia Scapanioides
''Treubia scapanioides'' is a species of liverwort in the family Treubiaceae. Until recently, the genus was placed in the order Metzgeriales. There are only 6 species in the genus ''Treubia''. Five are native to Australasia but ''T. scapanioides'' is known only from Chile.Schuster, Rudolf M. (1992). The Hepaticae and Anthocerotae Hornworts are a group of non-vascular Embryophytes (land plants) constituting the division Anthocerotophyta (). The common name refers to the elongated horn-like structure, which is the sporophyte. As in mosses and liverworts, hornworts have ... of North America (Volume 5 ed.). pp. 332–333. References Treubiales {{Bryophyte-stub ...
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Liverwort
The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information. It is estimated that there are about 9000 species of liverworts. Some of the more familiar species grow as a flattened leafless thallus, but most species are leafy with a form very much like a flattened moss. Leafy species can be distinguished from the apparently similar mosses on the basis of a number of features, including their single-celled rhizoids. 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 (very rare in mosses). Other differences are not universal for all mosses and liverworts, but the occurrence of leaves arranged in three ranks, the presence of deep lobes or segmented leaves, or a lack of clearly diff ...
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Treubiaceae
Treubiaceae is a family of liverworts in the order Treubiales.Crandall-Stotler, Barbara. & Stotler, Raymond E. "Morphology and classification of the Marchantiophyta". page 63 ''in'' A. Jonathan Shaw & Bernard Goffinet (Eds.), ''Bryophyte Biology''. (Cambridge: Cambridge University Press:2000). Species are large and leafy, and were previously classified among the Metzgeriales Metzgeriales is an Order (biology), order of Marchantiophyta, liverworts. The group is sometimes called the simple thalloid liverworts: "thallus, thalloid" because the members lack structures resembling stems or leaves, and "simple" because thei .... References * Liverwort families Treubiales {{Bryophyte-stub ...
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Metzgeriales
Metzgeriales is an Order (biology), order of Marchantiophyta, liverworts. The group is sometimes called the simple thalloid liverworts: "thallus, thalloid" because the members lack structures resembling stems or leaves, and "simple" because their tissues are thin and relatively cellular differentiation, undifferentiated. All species in the order have a small gametophyte stage and a smaller, relatively short-lived, sporophyte, spore-bearing stage. Although these plants are almost entirely restricted to regions with high humidity or readily available moisture, the group as a whole is widely distributed, and occurs on every continent except Antarctica. Description Members of the Metzgeriales typically are small and thin enough to be translucent, with most of the tissues only a single cell layer in thickness. Because these plants are thin and relatively undifferentiated, with little evidence of distinct tissues, the Metzgeriales are sometimes called the "simple thalloid liverwor ...
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Treubia
''Treubia'' is a genus of liverworts in the family Treubiaceae.Crandall-Stotler, Barbara. & Stotler, Raymond E. (2000). "Morphology and classification of the Marchantiophyta". pages 21–70 ''in'' A. Jonathan Shaw & Bernard Goffinet (eds.), ''Bryophyte Biology''. (Cambridge: Cambridge University Press). There are seven species, all of which are restricted to the southern hemisphere. Five of the species occur in Australasia and the other ('' Treubia scapanioides'') occurs in Chile. All species are dioicous, with separate male and female gametophyte A gametophyte () is one of the two alternating multicellular phases in the life cycles of plants and algae. It is a haploid multicellular organism that develops from a haploid spore that has one set of chromosomes. The gametophyte is the ...s. Classification Species list: * '' Treubia insignis'' K.I.Goebel * '' Treubia lacunosa'' (Colenso) Prosk. * '' Treubia lacunosoides'' T.Pfeiff., W.Frey et M.Stech * '' Treubia ...
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Hepaticae
The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information. It is estimated that there are about 9000 species of liverworts. Some of the more familiar species grow as a flattened leafless thallus, but most species are leafy with a form very much like a flattened moss. Leafy species can be distinguished from the apparently similar mosses on the basis of a number of features, including their single-celled rhizoids. 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 (very rare in mosses). Other differences are not universal for all mosses and liverworts, but the occurrence of leaves arranged in three ranks, the presence of deep lobes or segmented leaves, or a lack of clearly dif ...
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Anthocerotae
Hornworts are a group of non-vascular Embryophytes (land plants) constituting the division Anthocerotophyta (). The common name refers to the elongated horn-like structure, which is the sporophyte. As in mosses and liverworts, hornworts have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information; the flattened, green plant body of a hornwort is the gametophyte stage of the plant. Hornworts may be found worldwide, though they tend to grow only in places that are damp or humid. Some species grow in large numbers as tiny weeds in the soil of gardens and cultivated fields. Large tropical and sub-tropical species of '' Dendroceros'' may be found growing on the bark of trees. The total number of species is still uncertain. While there are more than 300 published species names, the actual number could be as low as 100-150 species. Description Like all bryophytes, the dominant life phase of a hornwort is the haploid gametophyt ...
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