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Genus of ferns From Wikipedia, the free encyclopedia
Plenasium is a genus of ferns in the family Osmundaceae.[1] It is recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[2] but kept within a more broadly circumscribed genus Osmunda by other sources.[3] The genus is known from Early Cretaceous to present.[4]
Plenasium Temporal range: | |
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Plenasium vachellii (syn. Osmunda vachellii) in the Shing Mun Arboretum, Hong Kong | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | Polypodiophyta |
Class: | Polypodiopsida |
Order: | Osmundales |
Family: | Osmundaceae |
Genus: | Plenasium C.Presl[1] |
Type species | |
Plenasium banksiifolium (Presl) Presl | |
Species | |
Synonyms | |
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As of October 2019[update], the Checklist of Ferns and Lycophytes of the World accepted the following four species:[1]
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The following fossil species are also accepted.[4]
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