los xˈeneɾos kon maʝˈoɾ rikˈeθa ðe espˈeθjes sˈon senˈeθjo mˈil, ˌeʊpatˈoɾjum sˈɛnsu lˈato mˈil ðosθjˈentos, kwaɾˈɛnta en sentˈiðo estɾˈikto, ˌelitʃɾˈisum seɪsθjˈentos, ˌaɾtemˈisja kinjˈɛntos θinkwˈɛnta, mikˈanja kwˌatɾoθjˈentos tɾˈeɪnta, baktʃˈaɾis kwˌatɾoθjˈentos, bˌeɾβesˈina tɾesθjˈentos, ˌaxeɾatˈina dosθjˈentos noβˈɛnta, bˈiðens dosθjˈentos tɾˌeɪntaiθˈinko, stˈeβja dosθjˈentos tɾˌeɪntaiθˈinko, antˈemis dosθjˈentos ðjˈɛθ, ˌeɾixˈeɾon dosθjˈentos, pˌentakˈalja dosθjˈentos, astˈeɾ θjˈento otʃˈɛnta, biɣjˈeɾa θjˈento otʃˈɛnta, tʃɾˌomolaˈena θjˈento sɛsˌɛntaiθˈinko, nafˈaljum θjˈento θinkwˈɛnta, sˌoliðˈaɣo θjˈento θinkwˈɛnta, tˌanaθˈetum θjˈento θinkwˈɛnta, ˌoleˈaɾja θjˈento tɾˈeɪnta, sˌeɾifˈiðjum θjˈento tɾˈeɪnta, lˌiɣulˈaɾja θjˈento βˌeɪntiθˈinko, ˌatʃiʎˈea θjˈento kˈinθe, kˌoɾeˈopsis θjˈento kˈinθe, ˌanafˈalis θjˈento ðjˈɛθ, bɾikˈeʎia θjˈento ðjˈɛθ, kalˈea θjˈento ðjˈɛθ, blumˈea θjˈen, kˌoanofˈiʎum θjˈento ðjˈɛθ, eʊɾʝˈops θjˈen, pˈektis θjˈen i weðˈelja θjˈen.
Los géneros con mayor riqueza de especies son Senecio (1000), Eupatorium sensu lato (1200, 40 en sentido estricto), Helichrysum (600), Artemisia(550), Mikania (430), Baccharis (400), Verbesina (300), Ageratina (290), Bidens (235), Stevia (235), Anthemis (210), Erigeron (200), Pentacalia (200), Aster (180), Viguiera (180), Chromolaena (165), Gnaphalium (150), Solidago (150), Tanacetum (150), Olearia (130), Seriphidium (130), Ligularia (125), Achillea (115), Coreopsis (115), Anaphalis (110), Brickellia (110), Calea (110), Blumea (100), Koanophyllum (110), Euryops (100), Pectis (100) y Wedelia (100).