Aneuraceae (sometimes Riccardiaceae) is a family of thallose liverworts in the order Metzgeriales. Most species are very small with narrow, branching thalli.
Taxonomy
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 synonomy, 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
Riccardia
Verdoornia (only species Verdoornia succulenta)
Lobatiriccardia
Aneura (including former Cryptothallus)
References
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^ a b Söderström, Lars; Hagborg, Anders; von Konrat, Matt; Bartholomew-Began, Sharon; Bell, David; Briscoe, Laura; Brown, Elizabeth; Cargill, D. Christine; da Costa, Denise Pinheiro; Crandall-Stotler, Barbara J.; Cooper, Endymion; Dauphin, Gregorio; Engel, John; Feldberg, Kathrin; Glenny, David; Gradstein, S. Robbert; He, Xiaolan; Hentschel, Joern; Ilkiu-Borges, Anna Luiza; Katagiri, Tomoyuki; Konstantinova, Nadezhda A.; Larraín, Juan; Long, David; Nebel, Martin; Pócs, Tamás; Puche, Felisa; Reiner-Drehwald, Elena; Renner, Matt; Sass-Gyarmati, Andrea; Schäfer-Verwimp, Alfons; Segarra-Moragues, José; Stotler, Raymond E.; Sukkharak, Phiangphak; Thiers, Barbara; Uribe, Jaime; Váňa, Jiří; Wigginton, Martin; Zhang, Li & Zhu, Rui-Liang (2016), "World checklist of hornworts and liverworts", PhytoKeys (59): 1–828, doi:10.3897/phytokeys.59.6261, ISSN 1314-2003, PMC 4758082, PMID 26929706
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^ a b Preussing, M.; Olsson, S.; Schäfer-Verwimp, A.; Wickett, N.J.; Wicke, S.; Quandt, D. & Nebel, M. (2010), "New insights in the evolution of the liverwort family Aneuraceae (Metzgeriales, Marchantiophyta), with emphasis on the genus Lobatiriccardia", Taxon, 59 (5): 1424–1440, doi:10.1002/tax.595009, retrieved 2021-08-19
Media related to Aneuraceae at Wikimedia Commons
Media related to Aneuraceae at Wikimedia Commons 
