More Genus entries
[ Physoptychis ] [ Physopyrum ] [ Physorhynchus ]

Hierarchical position of the Genus Physopyrum

Regnum  Plantae common name: The plant kingdom       Divisio  Magnoliophyta Cronquist syn. Angiospermophyta / Anthophyta pub. Takht. & Zimmerm. ex Reveal, Phytologia 79: 70. 29 Apr 1996. common name: angiosperms, flowering plants       Subdivisio  Magnoliophytina Frohne & U. Jensen ex Reveal pub. Phytologia 79: 70. 29 Apr 1996. common name: Angiosperms       Classis  Rosopsida Batsch pub. Dispos. Gen. Pl. Jenens.: 28. 1788.       Subclassis  Caryophyllidae Takht. pub. Sist. Filog. Cvetk. Rast.: 144. Jan-Mar 1967.       SuperOrdo  Polygonanae Takht. ex Reveal pub. Novon 2: 236. 1992.       Ordo  Polygonales Dumort. pub. Anal. Fam. Pl.: 15. 1829.       Familia  Polygonaceae Juss. pub. Gen. Pl.: 82. 4 Aug 1789. common name: Knotweeds       Genus  Physopyrum Popov

Individual specimen entries are published in the sample database supplied with The Compleat Botanica for species or varieties of this supra-generic taxon.

For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.