Plenasium

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]

Plenasium
Plenasium vachellii (syn. Osmunda vachellii) in the Shing Mun Arboretum, Hong Kong
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Osmundales
Family: Osmundaceae
Genus: Plenasium
C.Presl[1]
Species

See text.

Species

As of October 2019, the Checklist of Ferns and Lycophytes of the World accepted the following species:[1]

gollark: I mentioned it to them and they just said not to do that.
gollark: You could also download something like my multicast-based chat program and cheat that way.
gollark: However, as it turns out, they "block internet access" just by denying access to browsers, and you can still use anything else they have for that (which isn't much). Including, say, using Python's urllib to access web things™. Which is quite impractical, but in theory, if I felt cheaty, I could use that to download a less impractical program to browse things.
gollark: Now, they aren't entirely stupid so you get a separate temporary account without your usual files and whatever to work on for the duration.
gollark: Part of them is done on actual computers, as they are slightly modern.

References
  1. Hassler, Michael & Schmitt, Bernd (August 2019), "Plenasium", Checklist of Ferns and Lycophytes of the World, Version 8.10, retrieved 2019-10-01
  2. PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229.
  3. "Plenasium C.Presl", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-01


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