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Phlegmariurus

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Phlegmariurus
Phlegmariurus phlegmaria growing in the Cambridge University Botanic Garden
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Lycophytes
Class: Lycopodiopsida
Order: Lycopodiales
Family: Lycopodiaceae
Subfamily: Huperzioideae
Genus: Phlegmariurus
(Herter) Holub[1]
Species

See text.

Phlegmariurus is a genus of lycophyte plants in the family Lycopodiaceae.[1] The genus is recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[2] but not by some other sources, which keep it in a broadly defined Huperzia.

Taxonomy

The genus was first described in 1909 by Wilhelm Herter as the section Phlegmariurus of the genus Lycopodium. The section was elevated to a genus by Josef Ludwig Holub in 1964.[3]

Within the family Lycopodiaceae, Phlegmariurus is placed in the subfamily Huperzioideae. A phylogenetic study in 2016, employing both molecular and morphological data, concluded that either a one-genus or a three-genus division of the subfamily produced monophyletic taxa. The authors preferred the three-genus division, recognizing Huperzia, Phlegmariurus and Phylloglossum. Their preferred hypothesis for the relationships of the three genera was:[4]

Huperzioideae

Phlegmariurus

The majority of the species formerly placed in a broadly defined Huperzia belong in Phlegmariurus.[4] However, the genera are difficult to separate morphologically, and others have preferred the one-genus division of the subfamily.[1]

Species

As of October 2019, the Checklist of Ferns and Lycophytes of the World accepted over 300 species:[1]

References

  1. ^ a b c d Hassler, Michael & Schmitt, Bernd (August 2019), "Phlegmariurus", Checklist of Ferns and Lycophytes of the World, 8.02, retrieved 2019-10-14
  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. ^ "Phlegmariurus (Herter) Holub", The International Plant Names Index, retrieved 2019-10-14
  4. ^ a b Field, Ashley R.; Testo, Weston; Bostock, Peter D.; Holtum, Joseph A. M. & Waycott, Michelle (2016), "Molecular phylogenetics and the morphology of the Lycopodiaceae subfamily Huperzioideae supports three genera: Huperzia, Phlegmariurus and Phylloglossum", Molecular Phylogenetics and Evolution, 94: 635–657, doi:10.1016/j.ympev.2015.09.024
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