Biology:Diphasium

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Short description: Genus of spore-bearing plants

Diphasium
Diphasium scariosum kz1.jpg
Diphasium scariosum
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Lycophytes
Class: Lycopodiopsida
Order: Lycopodiales
Family: Lycopodiaceae
Subfamily: Lycopodioideae
Genus: Diphasium
C.Presl ex Rothm.[1]
Species

See text.

Diphasium is a genus of lycophytes in the family Lycopodiaceae. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is placed in the subfamily Lycopodioideae.[2] Some sources do not recognize the genus, sinking it into Lycopodium,[3] others include it in Diphasiastrum.[1] Diphasium species are mostly native to the temperate southern hemisphere, but extend northwards into Central America and the Caribbean.[1]

Species

(As of January 2023), the Checklist of Ferns and Lycophytes of the World recognized the following species:[1]

  • Diphasium gayanum (J.Rémy) Holub
  • Diphasium jussiaei (Desv. ex Poir.) Rothm.
  • Diphasium lawessonianum (B.Øllg.) B.Øllg.
  • Diphasium scariosum (G.Forst.) Rothm.

References

  1. Jump up to: 1.0 1.1 1.2 1.3 Hassler, Michael (19 January 2023), "Diphasium", World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World, 14.7, https://www.worldplants.de/ferns/, retrieved 2023-01-22 
  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. "Diphasium C.Presl ex Rothm.", Plants of the World Online (Royal Botanic Gardens, Kew), https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30034740-2, retrieved 2019-12-08 

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