Appendix 2. A in Revised classification of Acanthaceae and worldwide dichotomous keys

Appendix 2. A proposed linear sequence for the currently accepted genera of Acanthaceae for use in systematically arranged natural history collections.
1Nelsonia R.Br.2Elytraria Michx.3Aymoreana Braz, T.F.Daniel & Kiel4Anisosepalum E.Hossain5Saintpauliopsis Staner6Staurogyne Wall.7Avicennia L.8Mendoncia Vell. ex Vand.9Anomacanthus R.D.Good10Pseudocalyx Radlk.11Thunbergia Retz.12Meyenia Nees13Crossandra Salisb.14Crossandrella C.B.Clarke15Streptosiphon Mildbr.16Sclerochiton Harv.17Cynarospermum Vollesen18Blepharis Juss.19Acanthopsis Harv.20Acanthus L.21Stenandriopsis S.Moore22Stenandrium Nees23Salpixantha Hook.24Neriacanthus Benth.25Holographis Nees26Aphelandra R.Br.27Cyphacanthus Leonard28Physacanthus Benth.29Neuracanthus Nees30Barleria L.31Crabbea Harv.32Lasiocladus Bojer ex Nees33Pericalypta Benoist34Podorungia Baill.35Pseudodicliptera Benoist36Boutonia DC.37Lepidagathis Willd.38Schaueriopsis Champl. & I.Darbysh.39Chroesthes Benoist40Hulemacanthus S.Moore41Borneacanthus Bremek.42Barleriola Oerst.43Andrographis Wall. ex Nees44Haplanthus Nees45Haplanthodes Kuntze46Graphandra J.B.Imlay47Phlogacanthus Nees48Gymnostachyum Nees49Diotacanthus Benth.50Sphinctacanthus Benth.51Lankesteria Lindl.52Whitfieldia Hook.53Chlamydacanthus Lindau54Zygoruellia Baill.55Camarotea Scott Elliot56Forcipella Baill.57Vindasia Benoist58Leandriella Benoist59Brunoniella Bremek.60Leptosiphonium F.Muell.61Pararuellia Bremek. & Nann. -Bremek.62Eranthemum L.63Kosmosiphon Lindau64Dinteracanthus Schinz65Dischistocalyx T.Anderson ex Benth.66Satanocrater Schweinf.67Acanthopale C.B.Clarke68Ruellia L.69Calacanthus T.Anders. ex Benth.70Louteridium S.Watson71Bravaisia DC.72Trichanthera Kunth73Trichosanchezia Mildbr.74Sanchezia Ruiz & Pav.75Suessenguthia Merxm.76Strobilanthes Blume77Hygrophila R.Br.78Brillantaisia P.Beauv.79Strobilanthopsis S.Moore80Dyschoriste Nees81Echinacanthus Nees82Petalidium Nees83Duosperma Dayton84Ruelliopsis C.B.Clarke85Mcdadea E.Tripp & I.Darbysh.86Phaulopsis Willd.87Eremomastax Lindau88Heteradelphia Lindau89Mellera S.Moore90Mimulopsis Schweinf.91Stenothyrsus C.B.Clarke92Xylacanthus Aver. & K.S.Nguyen93Diceratotheca J.R.I.Wood & Scotland94Spathacanthus Baill.95Chamaeranthemum Nees96Pranceacanthus Wassh.97Herpetacanthus Nees98Isotheca Turrill99Afrofittonia Lindau100Thysanostigma J.B.Imlay101Glossochilus Nees102Asystasia Blume103Phialacanthus Benth.104Filetia Miq.105Mackaya Harv.106Cosmianthemum Bremek.107Codonacanthus Nees108Chileranthemum Oerst.109Pulchranthus V.M.Baum, Reveal & Nowicke110Odontonema Nees111Sapphoa Urb.112Oplonia Raf.113Psilanthele Lindau114Linariantha B.L.Burtt & R.M.Sm.115Pseuderanthemum Radlk.116Graptophyllum Nees117Wuacanthus Y.F.Deng, N.H.Xia & H.Peng118Ruspolia Lindau119Ballochia Balf.f.120Ruttya Harv.121Champluviera I.Darbysh., T.F.Daniel & Kiel122Monothecium Hochst.123Marcania J. B.Imlay124Jadunia Lindau125Calycacanthus K.Schum.126Cyclacanthus S.Moore127Ptyssiglottis T.Anderson128Ambongia Benoist129Ichthyostoma Hedrén & Vollesen130Isoglossa Oerst.131Sphacanthus Benoist132Celerina Benoist133Melittacanthus S.Moore134Brachystephanus Nees135Stenostephanus Nees136Sebastiano-Schaueria Nees137Chlamydocardia Lindau138Leptostachya Nees139Kudoacanthus Hook.140Clinacanthus Nees141Angkalanthus Balf.f.142Chorisochora Vollesen143Ecbolium Kurz144Populina Baill.145Megalochlamys Lindau146Trichaulax Vollesen147Cephalophis Vollesen148Mirandea Rzed.149Yeatesia Small150Hoverdenia Nees151Thyrsacanthus Moric.152Pachystachys Nees153Fittonia Coem.154Schaueria Nees155Ancistranthus Lindau156Aphanosperma T.F.Daniel157Chalarothyrsus Lindau158Henrya Benth.159Gypsacanthus E.J.Lott, V.Jaram. & Rzed.160Carlowrightia A.Gray161Tetramerium Nees162Anisacanthus Nees163Mexacanthus T.F.Daniel164Streblacanthus Kuntze165Dolichostachys Benoist166Justicia L.167Ascotheca Heine168Rungia Nees169Metarungia Baden170Anisotes Nees171Anisostachya Nees172Trichocalyx Balf.f.173Meiosperma Raf.174Pogonospermum Hochst.175Kenyacanthus I.Darbysh. & Kiel176Rhinacanthus Nees177Hypoestes Sol. ex R.Br.178Dicliptera Juss.179Vavara Benoist180Xerothamnella C.T.White181Dicladanthera F.Muell.182Cephalacanthus Lindau183Poikilacanthus Lindau184Megaskepasma Lindau185Clistax Mart.186Harpochilus Nees187Dasytropis Urb.188Samuelssonia Urb. & Ekman189Dichazothece Lindau190Tessmanniacanthus Mildbr.191Ritonia Benoist