Rhachidosorus
| Rhachidosorus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Rhachidosoraceae X.C.Zhang |
| Genus: | Rhachidosorus Ching |
| Species | |
| Synonyms[1] | |
| |
Rhachidosorus is a genus of ferns in the order Polypodiales.[2] It is the only genus in the family Rhachidosoraceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[3] Alternatively, the genus may be placed in the subfamily Rhachidosoroideae of a more broadly defined family Aspleniaceae,[1] the family placement used in Plants of the World Online as of November 2019[update].[4]
Species
The genus was described by
Ren Chang Ching in 1964, with about 7 species in eastern and southeastern Asia, including Japan, the Philippines, and Sumatra.[5] As of November 2019[update], Plants of the World Online accepted the following species:[4]
- Rhachidosorus blotianus Ching – China, Vietnam
- Rhachidosorus chrysocarpus (Alderw.) Ching
- Rhachidosorus consimilis Ching – China (Guizhou, Sichuan, Yunnan)
- Rhachidosorus mesosorus (Makino) Ching – China, Japan, South Korea
- Rhachidosorus pulcher (Tagawa) Ching – Taiwan, Yunnan
- Rhachidosorus siamensis S.Linds.
- Rhachidosorus stramineus (Copel.) Ching
- Rhachidosorus truncatus Ching – China (Guangxi, Guizhou, Yunnan)
Phylogenic relationships
The following diagram for the eupolypods II, based on Lehtonen, 2011,phylogenic relationship between the Rhachidosoraceae and the other families of the eupolypods II clade.
| Aspleniineae (eupolypods II) | |
References
 | This Polypodiales-related article is a stub. You can help Wikipedia by expanding it. |