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The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly
molecular A scanning tunneling microscopy image of pentacene molecules, which consist of linear chains of five carbon rings. A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished ...
-based, system of plant taxonomy. Published in 1998 by the
Angiosperm Phylogeny Group The Angiosperm Phylogeny Group, or 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 dis ...
, it was replaced by the improved
APG II#REDIRECT APG II system {{R from other capitalisation ...
in 2003,
APG III system 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 Published in 2009, it was superseded in 2016 by a furth ...
in 2009 and
APG IV systemAPG is an abbreviation with several different meanings: * Aberdeen Proving Ground, a United States Army installation in Aberdeen, Maryland, also **Phillips Army Airfield, the airfield of the above, from its IATA airport code * Aboriginal Provisional ...
in 2016.


History

The original APG system is unusual in being based, not on total evidence, but on the
cladistic Cladistics (, from Greek , ''kládos'', "branch") is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships ...
analysis of the DNA sequences of three genes, two chloroplast genes and one gene coding for ribosomes. Although based on molecular evidence only, its constituent groups prove to be supported by other evidence as well, for example
pollen Pollen Tube Diagram Pollen is a powdery substance consisting of pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gamet ...
morphology Morphology, from the Greek and meaning "study of shape", may refer to: Disciplines *Morphology (archaeology), study of the shapes or forms of artifacts *Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies, ...
supports the split between the
eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
and the rest of the former
dicotyledons 200px, Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves. The dicotyledons, also known as dicots (or more rarely dicotyls), are one of the two groups into which all the flowering ...
. The system is rather controversial in its decisions at the family level, splitting a number of long-established families and submerging some other families. It also is unusual in not using
botanical name A botanical name is a formal scientific name conforming to the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN) and, if it concerns a plant cultigen, the additional cultivar or Group epithets must conform to the ''Internati ...
s above the level of order, that is, an order is the highest
rank Rank is the relative position, value, worth, complexity, power, importance, authority, level, etc. of a person or object within a ranking, such as: Level or position in a hierarchical organization * Academic rank * Diplomatic rank * Hierarchy * Hi ...
that will have a formal
botanical name A botanical name is a formal scientific name conforming to the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN) and, if it concerns a plant cultigen, the additional cultivar or Group epithets must conform to the ''Internati ...
in this system. Higher groups are defined only as
clades A clade (; from grc, , ''klados'', "branch"), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic—that is, composed of a common ancestor and all its lineal descendants - on a phylogenetic tree. R ...
, with names such as
monocots Monocotyledons (), commonly referred to as monocots, (Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of th ...
,
eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
,
rosids The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms. The clade is divided into 16 to 20 orders, depending upon circumscription and classification ...
,
asterids Oregano from Lamiales In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Common examples include the common daisy, the forget-me-nots, nightshades (including potatoes, ...
. The APG system was superseded in 2003 by a revision, the
APG II system#REDIRECT APG II system#REDIRECT APG II system {{R from other capitalisation ...
{{R from other capitalisation ...
, in 2009 by a next revision, the
APG III system 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 furth ...
, and then in 2016 by a further revision, the
APG IV systemAPG is an abbreviation with several different meanings: * Aberdeen Proving Ground, a United States Army installation in Aberdeen, Maryland, also **Phillips Army Airfield, the airfield of the above, from its IATA airport code * Aboriginal Provisional ...
.


Groups

The main groups in the system (all unranked
clade A clade (; from grc, , ''klados'', "branch"), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic—that is, composed of a common ancestor and all its lineal descendants - on a phylogenetic tree. R ...
s) are: *angiosperms : *:
monocots Monocotyledons (), commonly referred to as monocots, (Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of th ...
*:: commelinoids *:
eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
*::
core eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
*:::
rosids The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms. The clade is divided into 16 to 20 orders, depending upon circumscription and classification ...
*:::: eurosids I *::::
eurosids II The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms. The clade is divided into 16 to 20 orders, depending upon circumscription and classification ...
*:::
asterids Oregano from Lamiales In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Common examples include the common daisy, the forget-me-nots, nightshades (including potatoes, ...
*:::: euasterids I *::::
euasterids II Oregano from Lamiales In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Common examples include the common daisy, the forget-me-nots, nightshades (including potatoes, ...

Representation in color
The APG system recognises 462 families and 40 orders: these are assigned as follows. In the beginning of each listing some families or orders that are not placed in a further clade: * clade angiosperms *::: family
Amborellaceae ''Amborella'' is a monotypic genus of understory shrubs or small trees endemic to the main island, Grande Terre, of New Caledonia. The genus is the only member of the family Amborellaceae and the order Amborellales and contains a single species, ' ...
*::: family
Austrobaileyaceae ''Austrobaileya'' is the sole genus consisting of a single species that constitutes the entire flowering plant family Austrobaileyaceae. The species ''Austrobaileya scandens'' grows naturally only in the Wet Tropics rainforests of northeastern ...
*::: family
Canellaceae The Canellaceae are a family of flowering plants in the order Canellales.Walter S. Judd, Christopher S. Campbell, Elizabeth A. Kellogg, Peter F. Stevens, and Michael J. Donoghue. 2008. ''Plant Systematics: A Phylogenetic Approach'', Third Edition. ...
*::: family
Chloranthaceae Chloranthaceae is a family of flowering plants (angiosperms), the only family in the order Chloranthales. It is not closely related to any other family of flowering plants, and is among the early-diverging lineages in the angiosperms. They are w ...
*::: family
Hydnoraceae Hydnoroideae is a subfamily of parasitic flowering plants in the order Piperales. Traditionally, and as recently as the APG III system it given family rank under the name Hydnoraceae. It is now submerged in the Aristolochiaceae. It contains two gen ...
*::: family Illiciaceae *::: family Nymphaeaceae [+ family Cabombaceae] *::: family Rafflesiaceae *::: family Schisandraceae *::: family Trimeniaceae *::: family Winteraceae *:: order Ceratophyllales *:::: family Ceratophyllaceae *:: order Laurales *:::: family Atherospermataceae *:::: family Calycanthaceae *:::: family Gomortegaceae *:::: family Hernandiaceae *:::: family Lauraceae *:::: family Monimiaceae *:::: family Siparunaceae *:: order Magnoliales *:::: family Annonaceae *:::: family Degeneriaceae *:::: family Eupomatiaceae *:::: family Himantandraceae *:::: family Magnoliaceae *:::: family Myristicaceae *:: order Piperales *:::: family Aristolochiaceae *:::: family Lactoridaceae *:::: family Piperaceae *:::: family Saururaceae *: clade
monocots Monocotyledons (), commonly referred to as monocots, (Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of th ...
*:::: family Corsiaceae *:::: family Japonoliriaceae *:::: family Nartheciaceae *:::: family Petrosaviaceae *:::: family Triuridaceae *::: order Acorales *::::: family Acoraceae *::: order Alismatales *::::: family Alismataceae *::::: family Aponogetonaceae *::::: family Araceae *::::: family Butomaceae *::::: family Cymodoceaceae *::::: family Hydrocharitaceae *::::: family Juncaginaceae *::::: family Limnocharitaceae *::::: family Posidoniaceae *::::: family Potamogetonaceae *::::: family Ruppiaceae *::::: family Scheuchzeriaceae *::::: family Tofieldiaceae *::::: family Zosteraceae *::: order Asparagales *::::: family Agapanthaceae *::::: family Agavaceae *::::: family Alliaceae *::::: family Amaryllidaceae *::::: family Anemarrhenaceae *::::: family Anthericaceae *::::: family Aphyllanthaceae *::::: family Asparagaceae *::::: family Asphodelaceae *::::: family Asteliaceae *::::: family Behniaceae *::::: family Blandfordiaceae *::::: family Boryaceae *::::: family Convallariaceae *::::: family Doryanthaceae *::::: family Hemerocallidaceae *::::: family Herreriaceae *::::: family Hesperocallidaceae *::::: family Hyacinthaceae *::::: family Hypoxidaceae *::::: family Iridaceae *::::: family Ixioliriaceae *::::: family Lanariaceae *::::: family Laxmanniaceae *::::: family Orchidaceae *::::: family Tecophilaeaceae *::::: family Themidaceae *::::: family Xanthorrhoeaceae *::::: family Xeronemataceae *::: order Dioscoreales *::::: family Burmanniaceae *::::: family Dioscoreaceae *::::: family Taccaceae *::::: family Thismiaceae *::::: family Trichopodaceae *::: order Liliales *::::: family Alstroemeriaceae *::::: family Campynemataceae *::::: family Colchicaceae *::::: family Liliaceae *::::: family Luzuriagaceae *::::: family Melanthiaceae *::::: family Philesiaceae *::::: family Ripogonaceae *::::: family Smilacaceae *::: order Pandanales *::::: family Cyclanthaceae *::::: family Pandanaceae *::::: family Stemonaceae *::::: family Velloziaceae *::clade commelinoids *::::: family Abolbodaceae *::::: family Bromeliaceae *::::: family Dasypogonaceae *::::: family Hanguanaceae *::::: family Mayacaceae *::::: family Rapateaceae *:::: order Arecales *:::::: family Arecaceae *:::: order Commelinales *:::::: family Commelinaceae *:::::: family Haemodoraceae *:::::: family Philydraceae *:::::: family Pontederiaceae *:::: order Poales *:::::: family Anarthriaceae *:::::: family Centrolepidaceae *:::::: family Cyperaceae *:::::: family Ecdeiocoleaceae *:::::: family Eriocaulaceae *:::::: family Flagellariaceae *:::::: family Hydatellaceae *:::::: family Joinvilleaceae *:::::: family Juncaceae *:::::: family Poaceae *:::::: family Prioniaceae *:::::: family Restionaceae *:::::: family Sparganiaceae *:::::: family Thurniaceae *:::::: family Typhaceae *:::::: family Xyridaceae *:::: order Zingiberales *:::::: family Cannaceae *:::::: family Costaceae *:::::: family Heliconiaceae *:::::: family Lowiaceae *:::::: family Marantaceae *:::::: family Musaceae *:::::: family Strelitziaceae *:::::: family Zingiberaceae *: clade
eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
*:::: family Buxaceae *:::: family Didymelaceae *:::: family Sabiaceae *:::: family Trochodendraceae [+ family Tetracentraceae] *::: order Proteales *::::: family Nelumbonaceae *::::: family Platanaceae *::::: family Proteaceae *::: order Ranunculales *::::: family Berberidaceae *::::: family Circaeasteraceae [+ family Kingdoniaceae] *::::: family Eupteleaceae *::::: family Lardizabalaceae *::::: family Menispermaceae *::::: family Papaveraceae [+ family Fumariaceae and family Pteridophyllaceae] *::::: family Ranunculaceae *:: clade
core eudicots The eudicots, Eudicotidae or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots b ...
*::::: family Aextoxicaceae *::::: family Berberidopsidaceae *::::: family Dilleniaceae *::::: family Gunneraceae *::::: family Myrothamnaceae *::::: family Vitaceae *:::: order Caryophyllales *:::::: family Achatocarpaceae *:::::: family Aizoaceae *:::::: family Amaranthaceae *:::::: family Ancistrocladaceae *:::::: family Asteropeiaceae *:::::: family Basellaceae *:::::: family Cactaceae *:::::: family Caryophyllaceae *:::::: family Didiereaceae *:::::: family Dioncophyllaceae *:::::: family Droseraceae *:::::: family Drosophyllaceae *:::::: family Frankeniaceae *:::::: family Molluginaceae *:::::: family Nepenthaceae *:::::: family Nyctaginaceae *:::::: family Physenaceae *:::::: family Phytolaccaceae *:::::: family Plumbaginaceae *:::::: family Polygonaceae *:::::: family Portulacaceae *:::::: family Rhabdodendraceae *:::::: family Sarcobataceae *:::::: family Simmondsiaceae *:::::: family Stegnospermataceae *:::::: family Tamaricaceae *:::: order Santalales *:::::: family Olacaceae *:::::: family Opiliaceae *:::::: family Loranthaceae *:::::: family Misodendraceae *:::::: family Santalaceae *:::: order Saxifragales *:::::: family Altingiaceae *:::::: family Cercidiphyllaceae *:::::: family Crassulaceae *:::::: family Daphniphyllaceae *:::::: family Grossulariaceae *:::::: family Haloragaceae *:::::: family Hamamelidaceae *:::::: family Iteaceae *:::::: family Paeoniaceae *:::::: family Penthoraceae *:::::: family Pterostemonaceae *:::::: family Saxifragaceae *:::::: family Tetracarpaeaceae *::: clade
rosids The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms. The clade is divided into 16 to 20 orders, depending upon circumscription and classification ...
*:::::: family Aphloiaceae *:::::: family Crossosomataceae *:::::: family Ixerbaceae *:::::: family Krameriaceae *:::::: family Picramniaceae *:::::: family Podostemaceae *:::::: family Stachyuraceae *:::::: family Staphyleaceae *:::::: family Tristichaceae *:::::: family Zygophyllaceae *::::: order Geraniales *::::::: family Francoaceae *::::::: family Geraniaceae [+ family Hypseocharitaceae] *::::::: family Greyiaceae *::::::: family Ledocarpaceae *::::::: family Melianthaceae *::::::: family Vivianiaceae *:::: clade eurosids I *::::::: family Celastraceae *::::::: family Huaceae *::::::: family Parnassiaceae [+ family Lepuropetalaceae] *::::::: family Stackhousiaceae *:::::: order Cucurbitales *:::::::: family Anisophylleaceae *:::::::: family Begoniaceae *:::::::: family Coriariaceae *:::::::: family Corynocarpaceae *:::::::: family Cucurbitaceae *:::::::: family Datiscaceae *:::::::: family Tetramelaceae *:::::: order Fabales *:::::::: family Fabaceae *:::::::: family Polygalaceae *:::::::: family Quillajaceae *:::::::: family Surianaceae *:::::: order Fagales *:::::::: family Betulaceae *:::::::: family Casuarinaceae *:::::::: family Fagaceae *:::::::: family Juglandaceae *:::::::: family Myricaceae *:::::::: family Nothofagaceae *:::::::: family Rhoipteleaceae *:::::::: family Ticodendraceae *:::::: order Malpighiales *:::::::: family Achariaceae *:::::::: family Balanopaceae *:::::::: family Caryocaraceae *:::::::: family Chrysobalanaceae *:::::::: family Clusiaceae *:::::::: family Dichapetalaceae *:::::::: family Erythroxylaceae *:::::::: family Euphorbiaceae *:::::::: family Euphroniaceae *:::::::: family Flacourtiaceae *:::::::: family Goupiaceae *:::::::: family Hugoniaceae *:::::::: family Humiriaceae *:::::::: family Irvingiaceae *:::::::: family Ixonanthaceae *:::::::: family Lacistemaceae *:::::::: family Linaceae *:::::::: family Malesherbiaceae *:::::::: family Malpighiaceae *:::::::: family Medusagynaceae *:::::::: family Ochnaceae *:::::::: family Pandaceae *:::::::: family Passifloraceae *:::::::: family Putranjivaceae *:::::::: family Quiinaceae *:::::::: family Rhizophoraceae *:::::::: family Salicaceae *:::::::: family Scyphostegiaceae *:::::::: family Trigoniaceae *:::::::: family Turneraceae *:::::::: family Violaceae *:::::: order Oxalidales *:::::::: family Cephalotaceae *:::::::: family Connaraceae *:::::::: family Cunoniaceae *:::::::: family Elaeocarpaceae *:::::::: family Oxalidaceae *:::::::: family Tremandraceae *:::::: order Rosales *:::::::: family Barbeyaceae *:::::::: family Cannabaceae *:::::::: family Cecropiaceae *:::::::: family Celtidaceae *:::::::: family Dirachmaceae *:::::::: family Elaeagnaceae *:::::::: family Moraceae *:::::::: family Rhamnaceae *:::::::: family Rosaceae *:::::::: family Ulmaceae *:::::::: family Urticaceae *:::: clade
eurosids II The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms. The clade is divided into 16 to 20 orders, depending upon circumscription and classification ...
*::::::: family Tapisciaceae *:::::: order Brassicales *:::::::: family Akaniaceae [+ family Bretschneideraceae] *:::::::: family Bataceae *:::::::: family Brassicaceae *:::::::: family Caricaceae *:::::::: family Emblingiaceae *:::::::: family Gyrostemonaceae *:::::::: family Koeberliniaceae *:::::::: family Limnanthaceae *:::::::: family Moringaceae *:::::::: family Pentadiplandraceae *:::::::: family Resedaceae *:::::::: family Salvadoraceae *:::::::: family Setchellanthaceae *:::::::: family Tovariaceae *:::::::: family Tropaeolaceae *:::::: order Malvales *:::::::: family Bixaceae [+ family Diegodendraceae] *:::::::: family Cistaceae *:::::::: family Cochlospermaceae *:::::::: family Dipterocarpaceae *:::::::: family Malvaceae *:::::::: family Muntingiaceae *:::::::: family Neuradaceae *:::::::: family Sarcolaenaceae *:::::::: family Sphaerosepalaceae *:::::::: family Thymelaeaceae *:::::: order Myrtales *:::::::: family Alzateaceae *:::::::: family Combretaceae *:::::::: family Crypteroniaceae *:::::::: family Heteropyxidaceae *:::::::: family Lythraceae *:::::::: family Melastomataceae *:::::::: family Memecylaceae *:::::::: family Myrtaceae *:::::::: family Oliniaceae *:::::::: family Onagraceae *:::::::: family Penaeaceae *:::::::: family Psiloxylaceae *:::::::: family Rhynchocalycaceae *:::::::: family Vochysiaceae *:::::: order Sapindales *:::::::: family Anacardiaceae *:::::::: family Biebersteiniaceae *:::::::: family Burseraceae *:::::::: family Kirkiaceae *:::::::: family Meliaceae *:::::::: family Nitrariaceae [+ family Peganaceae] *:::::::: family Rutaceae *:::::::: family Sapindaceae *:::::::: family Simaroubaceae *::: clade
asterids Oregano from Lamiales In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Common examples include the common daisy, the forget-me-nots, nightshades (including potatoes, ...
*::::: order Cornales *:::::::: family Cornaceae [+ family Nyssaceae] *:::::::: family Grubbiaceae *:::::::: family Hydrangeaceae *:::::::: family Hydrostachyaceae *:::::::: family Loasaceae *::::: order Ericales *:::::::: family Actinidiaceae *:::::::: family Balsaminaceae *:::::::: family Clethraceae *:::::::: family Cyrillaceae *:::::::: family Diapensiaceae *:::::::: family Ebenaceae *:::::::: family Ericaceae *:::::::: family Fouquieriaceae *:::::::: family Halesiaceae *:::::::: family Lecythidaceae *:::::::: family Marcgraviaceae *:::::::: family Myrsinaceae *:::::::: family Pellicieraceae *:::::::: family Polemoniaceae *:::::::: family Primulaceae *:::::::: family Roridulaceae *:::::::: family Sapotaceae *:::::::: family Sarraceniaceae *:::::::: family Styracaceae *:::::::: family Symplocaceae *:::::::: family Ternstroemiaceae *:::::::: family Tetrameristaceae *:::::::: family Theaceae *:::::::: family Theophrastaceae *:::: clade euasterids I *::::::: family Boraginaceae *::::::: family Plocospermataceae *::::::: family Vahliaceae *:::::: order Garryales *:::::::: family Aucubaceae *:::::::: family Eucommiaceae *:::::::: family Garryaceae *:::::::: family Oncothecaceae *:::::: order Gentianales *:::::::: family Apocynaceae *:::::::: family Gelsemiaceae *:::::::: family Gentianaceae *:::::::: family Loganiaceae *:::::::: family Rubiaceae *:::::: order Lamiales *:::::::: family Acanthaceae *:::::::: family Avicenniaceae *:::::::: family Bignoniaceae *:::::::: family Buddlejaceae *:::::::: family Byblidaceae *:::::::: family Cyclocheilaceae *:::::::: family Gesneriaceae *:::::::: family Lamiaceae *:::::::: family Lentibulariaceae *:::::::: family Myoporaceae *:::::::: family Oleaceae *:::::::: family Orobanchaceae *:::::::: family Paulowniaceae *:::::::: family Pedaliaceae [+ family Martyniaceae] *:::::::: family Phrymaceae *:::::::: family Plantaginaceae *:::::::: family Schlegeliaceae *:::::::: family Scrophulariaceae *:::::::: family Stilbaceae *:::::::: family Tetrachondraceae *:::::::: family Verbenaceae *:::::: order Solanales *:::::::: family Convolvulaceae *:::::::: family Hydroleaceae *:::::::: family Montiniaceae *:::::::: family Solanaceae *:::::::: family Sphenocleaceae *:::: clade
euasterids II Oregano from Lamiales In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Common examples include the common daisy, the forget-me-nots, nightshades (including potatoes, ...
*::::::: family Adoxaceae *::::::: family Bruniaceae *::::::: family Carlemanniaceae *::::::: family Columelliaceae [+ family Desfontainiaceae] *::::::: family Eremosynaceae *::::::: family Escalloniaceae *::::::: family Icacinaceae *::::::: family Polyosmaceae *::::::: family Sphenostemonaceae *::::::: family Tribelaceae *:::::: order Apiales *:::::::: family Apiaceae *:::::::: family Araliaceae *:::::::: family Aralidiaceae *:::::::: family Griseliniaceae *:::::::: family Melanophyllaceae *:::::::: family Pittosporaceae *:::::::: family Torricelliaceae *:::::: order Aquifoliales *:::::::: family Aquifoliaceae *:::::::: family Helwingiaceae *:::::::: family Phyllonomaceae *:::::: order Asterales *:::::::: family Alseuosmiaceae *:::::::: family Argophyllaceae *:::::::: family Asteraceae *:::::::: family Calyceraceae *:::::::: family Campanulaceae [+ family Lobeliaceae] *:::::::: family Carpodetaceae *:::::::: family Donatiaceae *:::::::: family Goodeniaceae *:::::::: family Menyanthaceae *:::::::: family Pentaphragmataceae *:::::::: family Phellinaceae *:::::::: family Rousseaceae *:::::::: family Stylidiaceae *:::::: order Dipsacales *:::::::: family Caprifoliaceae *:::::::: family Diervillaceae *:::::::: family Dipsacaceae *:::::::: family Linnaeaceae *:::::::: family Morinaceae *:::::::: family Valerianaceae Note: "+ ..." = optional seggregrate family, that may be split off from the preceding family. * Families of uncertain position *: family Balanophoraceae *: family Bonnetiaceae *: family Cardiopteridaceae *: family Ctenolophonaceae *: family Cynomoriaceae *: family Cytinaceae *: family Dipentodontaceae *: family Elatinaceae *: family Geissolomataceae *: family Hoplestigmataceae *: family Kaliphoraceae *: family Lepidobotryaceae *: family Lissocarpaceae *: family Lophopyxidaceae *: family Medusandraceae *: family Metteniusaceae *: family Mitrastemonaceae *: family Paracryphiaceae *: family Pentaphylacaceae *: family Peridiscaceae *: family Plagiopteraceae *: family Pottingeriaceae *: family Sladeniaceae *: family Strasburgeriaceae *: family Tepuianthaceae


See also

*
APG II system#REDIRECT APG II system#REDIRECT APG II system {{R from other capitalisation ...
{{R from other capitalisation ...
*
APG III system 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 furth ...
*
APG IV systemAPG is an abbreviation with several different meanings: * Aberdeen Proving Ground, a United States Army installation in Aberdeen, Maryland, also **Phillips Army Airfield, the airfield of the above, from its IATA airport code * Aboriginal Provisional ...


References

* (Available online
(PDF)


External links





{{DEFAULTSORT:Apg System Systems of plant taxonomy, APG 01 Plants described in 1998, * 1998 in science 1998 introductions