The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relationships discovered through phylogenetic studies. In 2016, the group published a classification for extant pteridophytes, termed "PPG I". The paper had 94 authors (26 principal and 68 additional).[1]
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The PteridophytePhylogenyGroup (PPG) is an informal international group of systematic botanists who collaborate to establish a consensus on the classification...
International Association of Pteridologists and the PteridophytePhylogenyGroup. Pteridophytes (ferns and lycophytes) are free-sporing vascular plants...
Subsequently, a consensus group was formed, the PteridophytePhylogenyGroup (PPG), analogous to the Angiosperm PhylogenyGroup, publishing their first...
family of extant (living) ferns in the order Marattiales. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), Marattiales is the only order...
Dryopteridaceae, subfamily Dryopteridoideae, according to the PteridophytePhylogenyGroup classification of 2016 (PPG I). There are about 300-400 species...
classification for extant (living) species was produced in 2016 by the PteridophytePhylogenyGroup (PPG I), which places them all in the class Lycopodiopsida, which...
Polypodiaceae, which is a member of the suborder Polypodiineae in the PteridophytePhylogenyGroup classification of 2016 (PPG I). Alternatively, the subfamily...
Aspleniineae (eupolypods I) of the order Polypodiales in the PteridophytePhylogenyGroup classification of 2016 (PPG I). (It is placed in the Dryopteridaceae...
fern)[citation needed] is a genus of about 40 species of fern. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), it is the only genus in the family...
Oleandra is a genus of ferns. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), it is the only genus in the family Oleandraceae, which...
Europe. It is an evergreen perennial pteridophyte. The genus Spinulum is accepted in the PteridophytePhylogenyGroup classification of 2016 (PPG I), but...
tree ferns. It is the only genus in family Cibotiaceae in the PteridophytePhylogenyGroup classification of 2016 (PPG I). Alternatively, the family may...
very different circumscriptions of the genus are in use. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), Lycopodium is one of nine genera...
Polypodiales. They are known colloquially as the wood ferns. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), the family is placed in the suborder...
Equisetopsida sensu lato. The consensus classification produced by the PteridophytePhylogenyGroup in 2016 also places horsetails in the subclass Equisetidae, but...
synonyms in several genera. The genus Palhinhaea is accepted in the PteridophytePhylogenyGroup classification of 2016 (PPG I), but not in other classifications...
family Polypodiaceae, subfamily Microsoroideae, according to the PteridophytePhylogenyGroup classification of 2016 (PPG I). The species are tropical. Like...
family Dryopteridaceae, subfamily Elaphoglossoideae, in the PteridophytePhylogenyGroup classification of 2016 (PPG I). Elaphoglossum was first described...
a subgenus within the genus Cyathea, but is accepted in the PteridophytePhylogenyGroup classification of 2016 (PPG I). Species of Sphaeropteris have...
family Polypodiaceae, subfamily Polypodioideae, according to the PteridophytePhylogenyGroup classification of 2016 (PPG I). It is native to tropical and...
Polypodiaceae is a family of ferns. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), the family includes around 65 genera and an estimated...
the Smith classification of 2006, a position maintained in the PteridophytePhylogenyGroup classification of 2016 (PPG I). A. R. Smith, K. M. Pryer, E....
family Dryopteridaceae, subfamily Elaphoglossoideae, in the PteridophytePhylogenyGroup classification of 2016 (PPG I). As of January 2020[update], the...
Vittarioideae subfamily name. The approach was followed by the PteridophytePhylogenyGroup classification of 2016 (PPG I). Cryptogrammoideae S.Linds. (=)...
family Thelypteridaceae, subfamily Phegopteridoideae, in the PteridophytePhylogenyGroup classification of 2016 (PPG I). They are known collectively as...
different circumscriptions of the genus were in use. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), Huperzia is one of three genera...
Didymochlaena is a genus of ferns. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), it is the only genus in the family Didymochlaenaceae...
Lycophytes and ferns are taken from Christenhusz et al. 2011b and PteridophytePhylogenyGroup. Living orders of Gymnosperms are added from Christenhusz et...
the adder's-tongue family, is a small family of ferns. In the PteridophytePhylogenyGroup classification of 2016 (PPG I), it is the only family in the...
Johann Jakob Bernhardi to define a group of ferns he called the "Cathetogyratae"; the PteridophytePhylogenyGroup has suggested reviving this name as...
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