Radula is a genus of liverwort, and is the only genus in family Radulaceae.
| Radula Temporal range: | |
|---|---|
 | |
| Radula complanata | |
Scientific classification  | |
| Kingdom: | Plantae |
| Division: | Marchantiophyta |
| Class: | Jungermanniopsida |
| Order: | Porellales |
| Suborder: | Radulineae R.M.Schust. |
| Family: | Radulaceae Müll.Frib. |
| Genus: | Radula Dumort. nom. cons. |
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. The smaller lobe is folded beneath the larger one.[1] The oldest fossil species is Radula cretacea from the Cenomanian aged Burmese amber of Myanmar, belonging to the subgenus of Odontoradula. Molecular evidence suggests that the genus arose during the Triassic, around 227.8 Ma, and the crown group began to diversify during the Early Jurassic, around 176.3 Ma.[2]
Species
World Flora Online lists up to 262 species.[3] See List of Radula species, for full list of species.
Some selected species are listed here;
- Radula boninensis Furuki & K.Yamada
- Radula carringtonii J.B.Jack[4]
- Radula cavifolia Hampe
- Radula complanata (L.) Dumort.[1]
- Radula deflexilobula Promma, L.N.Zhang et R.L.Zhu[5]
- Radula demissa M.A.M.Renner, 2013
- Radula javanica Gottsche
- Radula jonesii Bouman, Dirkse & Yamada
- Radula kojana Stephani
- Radula laxiramea Stephani
- Radula marginata Gottsche, Lindenb. & Nees[6]
- Radula obtusiloba Stephani
- Radula perrottetii Gottsche ex Stephani
- Radula visianica C. Massal.
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References
External links
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