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Wikipedia / Dahlgren system

One of the modern systems of plant taxonomy, the Dahlgren system was published by monocot specialist Rolf Dahlgren in 1975 and revised in 1977, and 1980. However, he is best known for his two treatises on monocotyledons in 1982 and revised in 1985. His wife Gertrud Dahlgren continued the work after his death.

Dahlgren ranked the dicotyledons and monocotyledons as subclasses of the class of flowering plants (angiosperms) and further divided them into superorders. Originally (1975) he used the suffix -anae, as did Cronquist, to designate these, but in 1980 changed this to -florae in accordance with Thorne. In the 1989 revision, published by his wife, the alternate names Magnoliidae and Liliidae were dropped in favour of Dicotyledon and Monocotyledon, and the suffix -florae reverted to -anae (e.g. Alismatanae for Alismatiflorae).

Reveal provides an extensive listing of Dahlgren's classification. (Note the synonyms, both nomenclatural and taxonomic, for each name in the system.)

1980 system

Summary

Magnoliidae (dicotyledons)

  1. Subclass Magnoliiflorae

    1. Superorder Magnolianae

      1. Order Annonales

        1. Family Annonaceae

        2. Family Myristicaceae

        3. Family Eupomatiaceae

        4. Family Canellaceae

        5. Family Austrobaileyaceae

        Order Aristolochiales

        1. Family Aristolochiaceae

        Order Rafflesiales

        1. Family Rafflesiaceae

        2. Family Hydnoraceae

        Order Magnoliales

        1. Family Degeneriaceae

        2. Family Himantandraceae

        3. Family Magnoliaceae

        Order Lactoridales

        1. Family Lactoridaceae

        Order Winterales

        1. Family Winteraceae

        Order Chloranthales

        1. Family Chloranthaceae

        Order Illiciales

        1. Family Illiciaceae

        2. Family Schisandraceae

        Order Laurales

        1. Family Amborellaceae

        2. Family Trimeniaceae

        3. Family Monimiaceae

        4. Family Gomortegaceae

        5. Family Calycanthaceae

        6. Family Lauraceae

        Order Nelumbonales

        1. Family Nelumbonaceae

      Superorder Nymphaeiflorae

      1. Order Piperales

        1. Family Saururaceae

        2. Family Piperaceae

        Order Nymphaeales

        1. Family Cabombaceae

        2. Family Nymphaeaceae

        3. Family Ceratophyllaceae

      Superorder Ranunculiflorae

      1. Order Ranunculales

        1. Family Lardizabalaceae

        2. Family Sargentodoxaceae

        3. Family Menispermaceae

        4. Family Kingdoniaceae

        5. Family Circaeasteraceae

        6. Family Ranunculaceae

        7. Family Hydrastidaceae

        8. Family Berberidaceae

        Order Papaverales

        1. Family Papaveraceae

        2. Family Fumariaceae

      Superorder Caryophylliflorae

      1. Order Caryophyllales

        1. Family Molluginaceae

        2. Family Caryophyllaceae

        3. Family Phytolaccaceae

        4. Family Achatocarpaceae

        5. Family Agdestidaceae

        6. Family Basellaceae

        7. Family Portulacaceae

        8. Family Stegnospermataceae

        9. Family Nyctaginaceae

        10. Family Aizoaceae

        11. Family Halophytaceae

        12. Family Cactaceae

        13. Family Didiereaceae

        14. Family Hectorellaceae

        15. Family Chenopodiaceae

        16. Family Amaranthaceae

      Superorder Polygoniflorae

      1. Order Polygonales

        1. Family Polygonaceae

      Superorder Malviflorae

      1. Order Malvales

        1. Family Sterculiaceae

        2. Family Plagiopteraceae

        3. Family Bixaceae

        4. Family Cochlospermaceae

        5. Family Cistaceae

        6. Family Sphaerosepalaceae

        7. Family Sarcolaenaceae

        8. Family Huaceae

        9. Family Tiliaceae

        10. Family Dipterocarpaceae

        11. Family Bombacaceae

        12. Family Malvaceae

        Order Urticales

        1. Family Ulmaceae

        2. Family Moraceae

        3. Family Cecropiaceae

        4. Family Barbeyaceae

        5. Family Cannabaceae

        6. Family Urticaceae

        Order Euphorbiales

        1. Family Euphorbiaceae

        2. Family Simmondsiaceae

        3. Family Pandaceae

        4. Family Aextoxicaceae

        5. Family Dichapetalaceae

        Order Plumbaginales

        1. Family Plumbaginaceae

        2. Family Limoniaceae

        Order Thymelaeales

        1. Family Gonystylaceae

        2. Family Thymelaeaceae

        Order Rhamnales

        1. Family Rhamnaceae

      Superorder Violiflorae

      1. Order Violales

        1. Family Flacourtiaceae

        2. Family Berberidopsidaceae

        3. Family Aphloiaceae

        4. Family Physenaceae

        5. Family Passifloraceae

        6. Family Dipentodontaceae

        7. Family Peridiscaceae

        8. Family Scyphostegiaceae

        9. Family Violaceae

        10. Family Turneraceae

        11. Family Malesherbiaceae

        12. Family Caricaceae

        Order Cucurbitales

        1. Family Achariaceae

        2. Family Cucurbitaceae

        3. Family Begoniaceae

        4. Family Datiscaceae

        Order Salicales

        1. Family Salicaceae

        Order Tamaricales

        1. Family Tamaricaceae

        2. Family Frankeniaceae

        Order Capparales

        1. Family Capparaceae

        2. Family Brassicaceae

        3. Family Tovariaceae

        4. Family Resedaceae

        5. Family Gyrostemonaceae

        6. Family Bataceae

        7. Family Moringaceae

        Order Tropaeolales

        1. Family Tropaeolaceae

        2. Family Limnanthaceae

        Order Salvadorales

        1. Family Salvadoraceae

      Superorder Theiflorae

      1. Order Dilleniales

        1. Family Dilleniaceae

        Order Paeoniales

        1. Family Glaucidiaceae

        2. Family Paeoniaceae

        Order Theales

        1. Family Stachyuraceae

        2. Family Pentaphylacaceae

        3. Family Marcgraviaceae

        4. Family Quiinaceae

        5. Family Ancistrocladaceae

        6. Family Dioncophyllaceae

        7. Family Nepenthaceae

        8. Family Medusagynaceae

        9. Family Caryocaraceae

        10. Family Strasburgeriaceae

        11. Family Ochnaceae

        12. Family Chrysobalanaceae

        13. Family Oncothecaceae

        14. Family Scytopetalaceae

        15. Family Theaceae

        16. Family Bonnetiaceae

        17. Family Clusiaceae

        18. Family Elatinaceae

        Order Lecythidales

        1. Family Lecythidaceae

      Superorder Primuliflorae

      1. Order Primulales

        1. Family Myrsinaceae

        2. Family Aegicerataceae

        3. Family Theophrastaceae

        4. Family Primulaceae

        5. Family Coridaceae

        Order Ebenales

        1. Family Sapotaceae

        2. Family Styracaceae

        3. Family Lissocarpaceae

        4. Family Ebenaceae

      Superorder Rosiflorae

      1. Order Trochodendrales

        1. Family Trochodendraceae

        2. Family Tetracentraceae

        Order Cercidiphyllales

        1. Family Cercidiphyllaceae

        2. Family Eupteleaceae

        Order Hamamelidales

        1. Family Hamamelidaceae

        2. Family Platanaceae

        3. Family Myrothamnaceae

        Order Balanopales

        1. Family Balanopaceae

        Order Fagales

        1. Family Nothofagaceae

        2. Family Fagaceae

        3. Family Corylaceae

        4. Family Betulaceae

        Order Juglandales

        1. Family Rhoipteleaceae

        2. Family Juglandaceae

        Order Myricales

        1. Family Myricaceae

        Order Casuarinales

        1. Family Casuarinaceae

        Order Buxales

        1. Family Buxaceae

        2. Family Daphniphyllaceae

        3. Family Didymelaceae

        Order Geissolomatales

        1. Family Geissolomataceae

        Order Cunoniales

        1. Family Cunoniaceae

        2. Family Baueraceae

        3. Family Brunelliaceae

        4. Family Davidsoniaceae

        5. Family Eucryphiaceae

        6. Family Bruniaceae

        7. Family Grubbiaceae

        Order Saxifragales

        1. Family Saxifragaceae

        2. Family Francoaceae

        3. Family Greyiaceae

        4. Family Brexiaceae

        5. Family Grossulariaceae

        6. Family Iteaceae

        7. Family Cephalotaceae

        8. Family Crassulaceae

        Order Droserales

        1. Family Droseraceae

        2. Family Lepuropetalaceae

        3. Family Parnassiaceae

        Order Rosales

        1. Family Rosaceae

        2. Family Neuradaceae

        3. Family Malaceae

        4. Family Amygdalaceae

        5. Family Anisophylleaceae

        6. Family Crossosomataceae

        7. Family Surianaceae

        8. Family Rhabdodendraceae

        Order Gunnerales

        1. Family Gunneraceae

      Superorder Podostemiflorae

      1. Order Podostemales

        1. Family Podostemaceae (including Tristichaceae)

      Superorder Fabiflorae

      1. Order Fabales

        1. Family Mimosaceae

        2. Family Caesalpiniaceae

        3. Family Fabaceae

      Superorder Proteiflorae

      1. Order Proteales

        1. Family Proteaceae

        Order Elaeagnales

        1. Family Elaeagnaceae

      Superorder Myrtiflorae

      1. Order Myrtales

        1. Family Psiloxylaceae

        2. Family Heteropyxidaceae

        3. Family Myrtaceae

        4. Family Onagraceae

        5. Family Trapaceae

        6. Family Lythraceae

        7. Family Combretaceae

        8. Family Melastomataceae

        9. Family Memecylaceae

        10. Family Crypteroniaceae

        11. Family Oliniaceae

        12. Family Penaeaceae

        13. Family Rhynchocalycaceae

        14. Family Alzateaceae

        Order Haloragales

        1. Family Haloragaceae

      Superorder Rutiflorae

      1. Order Sapindales

        1. Family Coriariaceae

        2. Family Anacardiaceae

        3. Family Leitneriaceae

        4. Family Podoaceae

        5. Family Sapindaceae

        6. Family Hippocastanaceae

        7. Family Aceraceae

        8. Family Akaniaceae

        9. Family Bretschneideraceae

        10. Family Emblingiaceae

        11. Family Staphyleaceae

        12. Family Melianthaceae

        13. Family Sabiaceae

        14. Family Meliosmaceae

        15. Family Connaraceae

        Order Rutales

        1. Family Rutaceae

        2. Family Ptaeroxylaceae

        3. Family Cneoraceae

        4. Family Simaroubaceae

        5. Family Tepuianthaceae

        6. Family Burseraceae

        7. Family Meliaceae

        Order Polygalales

        1. Family Malpighiaceae

        2. Family Trigoniaceae

        3. Family Vochysiaceae

        4. Family Polygalaceae

        5. Family Krameriaceae

        Order Geraniales

        1. Family Zygophyllaceae

        2. Family Nitrariaceae

        3. Family Peganaceae

        4. Family Balanitaceae

        5. Family Erythroxylaceae

        6. Family Humiriaceae

        7. Family Linaceae

        8. Family Ctenolophonaceae

        9. Family Ixonanthaceae

        10. Family Lepidobotryaceae

        11. Family Oxalidaceae (including Averrhoaceae)

        12. Family Geraniaceae

        13. Family Dirachmaceae

        14. Family Ledocarpaceae

        15. Family Vivianiaceae

        16. Family Biebersteiniaceae

        Order Linales (incorporated into Geraniales)

        1. Family Linaceae

        2. Family Humiriaceae

        3. Family Ctenolophonaceae

        4. Family Ixonanthaceae

        5. Family Erythroxylaceae

        6. Family Lepidobotryaceae

        7. Family Oxalidaceae

        Order Celastrales

        1. Family Stackhousiaceae

        2. Family Lophopyxidaceae

        3. Family Cardiopteridaceae

        4. Family Corynocarpaceae

        5. Family Celastraceae

        Order Rhizophorales

        1. Family Rhizophoraceae

        2. Family Elaeocarpaceae

        Order Balsaminales

        1. Family Balsaminaceae

      Superorder Santaliflorae

      1. Order Santalales

        1. Family Olacaceae

        2. Family Opiliaceae

        3. Family Loranthaceae

        4. Family Medusandraceae

        5. Family Misodendraceae

        6. Family Eremolepidaceae

        7. Family Santalaceae

        8. Family Viscaceae

      Superorder Balanophoriflorae

      1. Order Balanophorales

        1. Family Cynomoriaceae

        2. Family Balanophoraceae

      Superorder Araliiflorae

      1. Order Pittosporales

        1. Family Pittosporaceae

        2. Family Tremandraceae

        3. Family Byblidaceae

        Order Araliales

        1. Family Araliaceae

        2. Family Apiaceae

      Superorder Asteriflorae

      1. Order Campanulales

        1. Family Pentaphragmataceae

        2. Family Campanulaceae

        3. Family Lobeliaceae

        Order Asterales

        1. Family Asteraceae

      Superorder Solaniflorae

      1. Order Solanales

        1. Family Solanaceae

        2. Family Sclerophylacaceae

        3. Family Goetzeaceae

        4. Family Convolvulaceae

        5. Family Cuscutaceae

        6. Family Cobaeaceae

        7. Family Polemoniaceae

        Order Boraginales

        1. Family Hydrophyllaceae

        2. Family Ehretiaceae

        3. Family Boraginaceae

        4. Family Lennoaceae

        5. Family Hoplestigmataceae

      Superorder Corniflorae

      1. Order Fouquieriales

        1. Family Fouquieriaceae

        Order Ericales

        1. Family Actinidiaceae

        2. Family Clethraceae

        3. Family Cyrillaceae

        4. Family Ericaceae

        5. Family Empetraceae

        6. Family Monotropaceae

        7. Family Pyrolaceae

        8. Family Epacridaceae

        Order Eucommiales

        1. Family Eucommiaceae

        Order Sarraceniales

        1. Family Sarraceniaceae

        Order Cornales

        1. Family Garryaceae

        2. Family Alangiaceae

        3. Family Nyssaceae

        4. Family Cornaceae

        5. Family Roridulaceae

        6. Family Davidiaceae

        7. Family Escalloniaceae

        8. Family Helwingiaceae

        9. Family Torricelliaceae

        10. Family Aucubaceae

        11. Family Aralidiaceae

        12. Family Diapensiaceae

        13. Family Phellinaceae

        14. Family Aquifoliaceae

        15. Family Paracryphiaceae

        16. Family Sphenostemonaceae

        17. Family Symplocaceae

        18. Family Icacinaceae

        19. Family Montiniaceae

        20. Family Columelliaceae

        21. Family Stylidiaceae (including Donatiaceae)

        22. Family Alseuosmiaceae

        23. Family Hydrangeaceae

        24. Family Sambucaceae

        25. Family Viburnaceae

        26. Family Menyanthaceae

        27. Family Adoxaceae

        28. Family Phyllonomaceae

        29. Family Tribelaceae

        30. Family Eremosynaceae

        31. Family Pterostemonaceae

        32. Family Tetracarpaeaceae

        Order Dipsacales

        1. Family Caprifoliaceae

        2. Family Valerianaceae

        3. Family Dipsacaceae

        4. Family Morinaceae

        5. Family Calyceraceae

      Superorder Loasiflorae

      1. Order Loasales

        1. Family Loasaceae

      Superorder Gentianiflorae

      1. Order Goodeniales

        1. Family Goodeniaceae

        Order Oleales

        1. Family Oleaceae

        Order Gentianales

        1. Family Desfontainiaceae

        2. Family Loganiaceae

        3. Family Dialypetalanthaceae

        4. Family Rubiaceae

        5. Family Theligonaceae

        6. Family Gentianaceae

        7. Family Saccifoliaceae

        8. Family Apocynaceae

        9. Family Asclepiadaceae

      Superorder Lamiiflorae

      1. Order Lamiales

        1. Family Retziaceae

        2. Family Stilbaceae

        3. Family Buddlejaceae

        4. Family Scrophulariaceae

        5. Family Myoporaceae

        6. Family Globulariaceae

        7. Family Plantaginaceae

        8. Family Lentibulariaceae

        9. Family Pedaliaceae

        10. Family Trapellaceae

        11. Family Martyniaceae

        12. Family Gesneriaceae

        13. Family Bignoniaceae

        14. Family Acanthaceae

        15. Family Verbenaceae

        16. Family Lamiaceae

        17. Family Callitrichaceae

        Order Hydrostachyales

        1. Family Hydrostachyaceae

        Order Hippuridales

        1. Family Hippuridaceae

1982 system (monocotyledons)

Summary

Six superorders

Details

  • Superorder Alismatiflorae 5 orders

Superorder Ariflorae 1 order

Superorder Liliiflorae 11 orders

Order Asparagales

Order Liliales

Superorder Zingiberiflorae 1 order

  • Order Zingiberales

  • Superorder Commeliniflorae 8 orders

  • Superorder Areciflorae 3 orders

1985 system (monocotyledons)

Summary

Ten superorders

Details

Liliiflorae

  1. Superorder Liliiflorae 6 orders p.107

    1. Order Dioscoreales

      1. Family Trichopodaceae

      2. Family Dioscoreaceae

      3. Family Taccaceae

      4. Family Stemonaceae

      5. Family Trilliaceae

      6. Family Smilacaceae

      7. Family Petermanniaceae

      Order Asparagales

      1. Family Philesiaceae

      2. Family Luzuriagaceae

      3. Family Convallariaceae

      4. Family Asparagaceae

      5. Family Ruscaceae

      6. Family Herreriaceae

      7. Family Dracaenaceae

      8. Family Nolinaceae

      9. Family Asteliaceae

      10. Family Hanguanaceae

      11. Family Dasypogonaceae

      12. Family Calectasiaceae

      13. Family Blandfordiaceae

      14. Family Xanthorrhoeaceae

      15. Family Agavaceae

      16. Family Hypoxidaceae

      17. Family Tecophilaeaceae

      18. Family Cyanastraceae

      19. Family Eriospermaceae

      20. Family Ixioliriaceae

      21. Family Phormiaceae

      22. Family Doryanthaceae

      23. Family Hemerocallidaceae

      24. Family Asphodelaceae

      25. Family Anthericaceae

      26. Family Aphyllanthaceae

      27. Family Funkiaceae

      28. Family Hyacinthaceae

      29. Family Alliaceae

      30. Family Amaryllidaceae

        1. Tribe Amaryllideae

        2. Tribe Hippeastrae

        3. Tribe Lycoridae

        4. Tribe Stenomesseae

        5. Tribe Eucharideae

        6. Tribe Pancratieae

        7. Tribe Narcisseae

        8. Tribe Galantheae

      Order Melanthiales

      1. Family Melanthiaceae

      2. Family Campynemaceae

      Order Burmanniales

      1. Family Burmanniaceae

      2. Family Thismiaceae

      3. Family Corsiaceae

      Order Liliales

      1. Family Alstroemeriaceae

      2. Family Colchicaceae

      3. Family Uvulariaceae

      4. Family Calochortaceae

      5. Family Liliaceae

      6. Family Geosiridaceae

      7. Family Iridaceae

      Order Orchids

      1. Family Apostasiaceae

      2. Family Cypripediaceae

      3. Family Orchidaceae

Ariflorae

  1. Superorder Ariflorae 1 order p.275

    1. Order Arales

      1. Family Araceae

      2. Family Lemnaceae

Triuridiflorae

  1. Superorder Triuridiflorae 1 order p.287

    1. Order Triuridales

      1. Family Triuridaceae

Alismatiflorae

  1. Superorder Alismatiflorae 2 orders p.292

    1. Order Alismatales

      1. Family Aponogetonaceae

      2. Family Butomaceae

      3. Family Limnocharitaceae

      4. Family Alismataceae

      5. Family Hydrocharitaceae

      Order Najadales

      1. Family Scheuchzeriaceae

      2. Family Juncaginaceae

      3. Family Potamogetonaceae

      4. Family Posidoniaceae

      5. Family Zosteraceae

      6. Family Zannichelliaceae

      7. Family Cymodoceaceae

      8. Family Najadaceae

Bromeliiflorae

  1. Superorder Bromeliflorae 6 orders p.323

    1. Order Velloziales

      1. Family Velloziaceae

      Order Bromeliales

      1. Family Bromeliaceae

      Order Philydrales

      1. Family Philydraceae

      Order Haemodorales

      1. Family Haemodoraceae

      Order Pontederiales

      1. Family Pontederiaceae

      Order Typhales

      1. Family Sparganiaceae

      2. Family Typhaceae

Zingiberiflorae

  1. Superorder Zingiberiflorae 1 order p.350

    1. Order Zingiberales

      1. Family Lowiaceae

      2. Family Musaceae

      3. Family Heliconiaceae

      4. Family Strelitziaceae

      5. Family Zingiberaceae

      6. Family Costaceae

      7. Family Cannaceae

      8. Family Marantaceae

Commeliniflorae

  1. Superorder Commeliniflorae 4 orders p.374

    1. Order Commelinales

      1. Family Commelinaceae

      2. Family Mayacaceae

      3. Family Xyridaceae

      4. Family Rapateaceae

      5. Family Eriocaulaceae

      Order Hydatellales

      1. Family Hydatellaceae

      Order Cyperales

      1. Family Juncaceae

      2. Family Thurniaceae

      3. Family Cyperaceae

      Order Poales

      1. Family Flagellariaceae

      2. Family Joinvilleaceae

      3. Family Poaceae

      4. Family Ecdeiocolaceae

      5. Family Anarthriaceae

      6. Family Restionaceae

      7. Family Centrolepidaceae

Cyclanthiflorae

  1. Superorder Cyclanthiflorae 1 order p.461

    1. Order Cyclanthales

      1. Family Cyclanthaceae

Areciflorae

  1. Superorder Areciflorae 1 order p.467

    1. Order Arecales

      1. Family Arecaceae

Pandaniflorae

  1. Superorder Pandaniflorae 1 order p.480

    1. Order Pandanales

      1. Family Pandanaceae

Notes

References

Bibliography

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