| Aneuraceae | |
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| Riccardia palmata | |
Scientific classification  | |
| Kingdom: | Plantae |
| Division: | Marchantiophyta |
| Class: | Jungermanniopsida |
| Order: | Metzgeriales |
| Family: | Aneuraceae H.Klinggr. [1] |
| Genera [1] | |
| Synonyms | |
Riccardiaceae | |
Aneuraceae (sometimes Riccardiaceae) is a family of thallose liverworts in the order Metzgeriales. Most species are very small with narrow, branching thalli.[ citation needed ]
Aneuraceae is the largest family in the order Metzgeriales, simple thalloid liverworts. The number of species listed is considered to be inflated because of a high level of synonymy, and might be reduced from about 300 to about 100 if the family were revised. Species are difficult to delimit because nearly all are morphologically highly variable. Genetic studies suggest that some, such as Aneura pinguis , include morphologically cryptic species. [2]
A molecular phylogenetic study in 2010 produced a cladogram showing the relationships among the four genera placed in the family Aneuraceae: [2]
| Aneuraceae |
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Metzgeriales is an order of liverworts. The group is sometimes called the simple thalloid liverworts: "thalloid" because the members lack structures resembling stems or leaves, and "simple" because their tissues are thin and relatively undifferentiated. All species in the order have a small gametophyte stage and a smaller, relatively short-lived, 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.
Kymatocalyx rhizomaticus is a species of liverwort in the Cephaloziellaceae family. It is endemic to Malaysia. It was previously known as Stenorrhipis rhizomatica.
Herbertaceae is a family of liverworts. The family consists of the genera Herbertus, Schisma and Triandrophyllum. The genus HerpocladiumMitten, 1873 was later merged into the genus Herbertus.
Aneura mirabilis is a parasitic species of liverworts in the family Aneuraceae. It was first described in 1933, as Cryptothallus mirabilis. Plants of this species are white as a result of lacking chlorophyll, and their plastids do not differentiate into chloroplasts.
Cryptothallus is a previously recognized genus of liverworts in the family Aneuraceae. The plants are small, and are white to pale green as a result of lacking chlorophyll. This feature led to the creation of a separate genus. The morphology of species assigned to Cryptothallus is very similar to that of Aneura. As a result, Karen Renzaglia in 1982 suggested that the only species then placed in the genus, Cryptothallus mirabilis, may be considered "merely as an achlorophyllous species of Aneura." Wickett and Goffinet argued the same position on the basis of sequences of nuclear, mitochondrial, and plastid DNA, and moved Cryptothallus mirabilis to Aneura. A 2010 molecular phylogenetic study confirmed the position of Cryptothallus within Aneura. This was accepted in the 2016 world checklist of hornworts and liverworts.
Pleurozia is the only genus of liverworts in the family Pleuroziaceae, which is now classified in its own order Pleuroziales, but was previously included in a broader circumscription of the Jungermanniales. The genus includes twelve species, and as a whole is both physically distinctive and widely distributed.
Solenostomataceae is a family of liverworts in the order Jungermanniales.
Lophoziaceae is a family of liverworts belonging to the order Jungermanniales.
Acrobolbaceae is liverwort family in the order Jungermanniales.
Acrobolbus epiphytus is a liverwort species in the genus Acrobolbus. It occurs in New Zealand.
Gymnomitriaceae is a liverwort family in the order Jungermanniales.
Cephaloziaceae is a family of liverworts.
Calypogeiaceae is a family of liverworts. This type of plant is a calcifuge.
Aneura is a genus of liverworts in the family Aneuraceae.
Trichocolea is a genus of liverworts belonging to the family Trichocoleaceae.
Anastrophyllaceae is a family of liverworts belonging to the order Jungermanniales.
Balantiopsidaceae is a family of liverworts belonging to the order Jungermanniales.
Cephaloziellaceae is a family of liverworts belonging to the order Jungermanniales.
Cleveaceae is a family of liverworts belonging to the order Marchantiales.
Lepidolaenaceae is a family of liverworts belonging to the order Porellales.
Media related to Aneuraceae at Wikimedia Commons
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