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However, most liverworts produce flattened stems with overlapping scales or leaves in two or more ranks, the middle rank is often conspicuously different from the outer ranks; these are called leafy liverworts or scale liverworts. [7] [8] (See the gallery below for examples.) A thallose liverwort, Lunularia cruciata
Jungermanniales is the largest order of liverworts. They are distinctive among the liverworts for having thin leaf -like flaps on either side of the stem. Most other liverworts are thalloid, with no leaves. Due to their dorsiventral organization and scale-like, overlapping leaves, the Jungermanniales are sometimes called " scale-mosses ". [3]
Leafy liverworts have three rows of small leaves, two lateral in one plane and one ventral, differing from mosses which have small leaves that are usually in more than three rows around the stem. [3] The leaves of leafy liverworts are often dissected or lobed. [4] It is one of the largest leafy liverworts.
Hepatica (hepatica, [2] liverleaf, [3] or liverwort) [4] is a genus of herbaceous perennials in the buttercup family, native to central and northern Europe, Asia and eastern North America. Some botanists include Hepatica within a wider interpretation of Anemone .
Marchantia polymorpha is a species of large thalloid liverwort in the class Marchantiopsida. [ 1 ]M. polymorpha is highly variable in appearance and contains several subspecies. [ 2 ] This species is dioicous, having separate male and female plants. [ 2 ]M. polymorpha has a wide distribution and is found worldwide. [ 3 ]
Radula. (plant) R.M.Schust. Radula is a genus of liverwort, and is the only genus in family Radulaceae. It is a leafy liverwort. The appearance of the plants are as a scaly, green surface on the trunk of a tree, log or rock in a sheltered, moist out-door environment. The leaves are rounded, overlapping and consist of two unequal lobes.
Marchantia is a genus of liverworts in the family Marchantiaceae and the order Marchantiales. The thallus of Marchantia shows differentiation into two layers: an upper photosynthetic layer with a well-defined upper epidermis with pores and a lower storage layer. The thallus features tiny cup-like structures called gemma cups, containing gemmae ...
Porella. Madotheca Dum. Porella is a large, common, and widespread genus of liverworts in order Porellales. It is a member of the family Porellaceae within that order. There were 84 species recognized in 2016, most of them from East Asia. [2] World Flora Online accepts 125 species, [3] and GBIF accepts 150 species (as of 4 July 2023). [4] The ...