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The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly molecular-based, system of plant taxonomy. Published in 1998 by the Angiosperm Phylogeny Group , it was replaced by the improved APG II in 2003, APG III system in 2009 and APG IV system in 2016.
"A system of classification of angiosperms to be used to demonstrate the distribution of characters". Bot. ... Full text (PDF)) APG III (2009) APG (2009).
The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG).
Evolution of the angiosperms according to the Angiosperm Phylogeny Group (2013). The Angiosperm Phylogeny Group (APG) is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants (angiosperms) that reflects new knowledge about plant relationships discovered through phylogenetic studies.
The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a further revision, the APG IV system. [1] [2] [3]
Based on phylogenetic research, the latest (2009) revision of the APG classification supports the use of a single broadly defined family, Asparagaceae sensu lato. [1] A paper published at the same time as the 2009 classification proposed seven subfamilies for the families recognized in the very first APG classification of 1998. [5]
Asparagales (asparagoid lilies) are a diverse order of flowering plants in the monocots.Under the APG IV system of flowering plant classification, Asparagales are the largest order of monocots with 14 families, [5] 1,122 genera, and about 36,000 species, with members as varied as asparagus, orchids, yuccas, irises, onions, garlic, leeks, and other Alliums, daffodils, snowdrops, amaryllis ...
The new classification was formalised with the creation of the Angiosperm Phylogeny Group (APG) system (1998–2016), [37] [38] based on monophyletic clades, which continued the use of Liliales as the name for the taxon. [39] The Angiosperm Phylogeny Group APG system (1998) established a structure of monocot classification with ten orders. [37]