Actinea lanata (Pursh) Steud. accepted as Eriophyllum lanatum (Pursh) J.Forbes (original description)
Ageratum album Willd. ex Steud. (original description)
Agriphyllum spinosum Desf. ex Steud. accepted as Berkheya fruticosa (L.) Ehrh. (original description)
Anacyclus divaricatus Cav. ex Steud. accepted as Anacyclus clavatus (Desf.) Pers. (original description)
Anthemis vulgaris L. ex Steud. (original description)
Apargia pyrenaica (Vill.) Sternb. & Hoppe ex Steud. accepted as Leontodon hispidus subsp. montanus (Ball) Greuter (original description)
Arnica alpina Willd. ex Steud. accepted as Arnica montana L. (original description)
Artemisia pedunculata Steud. accepted as Artemisia splendens Willd. (original description)
Aster fragilis Jacq. ex Steud. (original description)
Aster mesopotamicus Steud. (original description)
Aster purpureus Jacq. ex Steud. (original description)
Athanasia salicifolia Dietr. ex Steud. (original description)
Behrinia Sieber ex Steud. (original description)
Bellis racemosa Steud. accepted as Eclipta prostrata (L.) L. (original description)
Bidens pumila (Retz.) Steud. accepted as Bidens tripartita L. (original description)
Bidens quinqueradiata Zea ex Steud. accepted as Bidens serrulata Sch.Bip. accepted as Bidens bipontina Sherff (original description)
Buphthalmum procumbens Desf. ex Steud. accepted as Sphagneticola trilobata (L.) Pruski (original description)
Calea pinnatifida (R.Br.) Banks ex Steud. (original description)
Calendula dentata Hort ex Steud. accepted as Calendula denticulata Schousb. ex Willd. (original description)
Carduus antarcticus Auct. ex Steud. (original description)
Carduus araneosus Steud. accepted as Cirsium araneosum (Desf. ex A.DC.) Steud. accepted as Cnicus araneosus Desf. ex DC. accepted as Cirsium araneosum (Desf. ex A.DC.) Steud. (original description)
Carduus armatus Steud. accepted as Cirsium ligulare subsp. armatum (Velen.) Petr. (original description)
Carduus benedictus Steud. accepted as Centaurea benedicta (L.) L. (original description)
Carduus carthamoides Steud. accepted as Leuzea carthamoides Willd. (original description)
Carduus caulescens Pers. ex Steud. accepted as Cirsium acaulon (L.) Scop. (original description)
Carduus cernuus Steud. accepted as Alfredia cernua (L.) Cass. (original description)
Carduus echinocephalus Pers. ex Steud. accepted as Ptilostemon echinocephalus (Willd.) Greuter (original description)
Carduus firmus Steud. accepted as Cirsium vulgare (Savi) Ten. (original description)
Carduus glaber Steud. accepted as Cirsium glabrum DC. (original description)
Carduus gmelinii Steud. (original description)
Carduus gouanii Steud. accepted as Cirsium tuberosum (L.) All. (original description)
Carduus hybridus Steud. accepted as Cirsium erisithales (Jacq.) Scop. (original description)
Carduus intermedius Heller ex Steud. accepted as Cirsium intermedium (original description)
Carduus jacquinii Steud. accepted as Cirsium pyrenaicum (Jacq.) All. (original description)
Carduus laniflorus Steud. accepted as Cirsium laniflorum (M.Bieb.) Fisch. (original description)
Carduus medius Steud. accepted as Cirsium tuberosum (L.) All. (original description)
Carduus mitis Steud. accepted as Cirsium mite Fisch. accepted as Cnicus mitis Hornem. accepted as Cirsium mite Fisch. (original description)
Carduus neglectus Steud. accepted as Cirsium arvense (L.) Scop. (original description)
Carduus obvallatus Steud. accepted as Cirsium obvallatum (M.Bieb.) Fisch. (original description)
Carduus orgyalis Steud. accepted as Galactites tomentosa Moench (original description)
Carduus pontederae Steud. accepted as Cirsium ×ambiguum (original description)
Carduus rheginus Steud. accepted as Ptilostemon strictus (Ten.) Greuter (original description)
Carduus semipinnatus Desf. ex Steud. accepted as Cirsium monspessulanum (L.) Hill (original description)
Carduus serrulatus Steud. accepted as Cirsium serrulatum (M.Bieb.) Fisch. (original description)
Carduus strictus Steud. accepted as Galactites tomentosa Moench (original description)
Carduus uliginosus Hort. ex Steud. (original description)
Carthamus teneriffae J.F.Gmel. ex Steud. accepted as Stizolophus balsamita (Lam.) K.Koch (original description)
Centaurea argophylla Steud. accepted as Centaurea argyrophylla Acht. & Lindtner (original description)
Centaurea calophylla Steud. accepted as Centaurea calocephala Willd. (original description)
Centaurea cucullata Spreng. ex Steud. (original description)
Centaurea dubia S.G.Gmel. ex Steud. accepted as Xeranthemum annuum L. (original description)
Centaurea rosea Steud. accepted as Psephellus trinervius (Willd.) Wagenitz (original description)
Chondrilla indica Steud. accepted as Launaea intybacea (Jacq.) Beauverd (original description)
Chondrilla prenanthes Steud. accepted as Chondrilla chondrilloides (Ard.) H.Karst. (original description)
Chondrilla ruderalis Gaertn. ex Steud. accepted as Lactuca muralis (L.) Gaertn. (original description)
Chondrilla triquetra (Labill.) Steud. accepted as Lactuca triquetra (Labill.) Boiss. (original description)
Chrysanthemum carneum Steud. accepted as Tanacetum coccineum (Willd.) Grierson (original description)
Chrysanthemum cebennense DC. ex Steud. accepted as Leucanthemum monspeliense (L.) H.J.Coste (original description)
Chrysanthemum densum (Labill.) Steud. accepted as Tanacetum densum (Labill.) Sch.Bip. (original description)
Chrysanthemum elegans Steud. accepted as Tripleurospermum maritimum (L.) W.D.J.Koch (original description)
Chrysanthemum moschatum Willd. ex Steud. (original description)
Chrysanthemum sylvestre Brot. ex Steud. (original description)
Conyza angustifolia Steud. (original description)
Conyza bidentata (Cass.) Steud. accepted as Conyza callocephala Bory accepted as Psiadia callocephala Cordem. (original description)
Conyza dilatata Steud. accepted as Psiadia laurifolia Cordem. (original description)
Conyza graveolens Steud. (original description)
Coreopsis flammula Banks ex Steud. accepted as Bidens laevis (L.) Britton, Sterns & Poggenb. (original description)
Cotula africana Steud. accepted as Oncosiphon africanum (P.J.Bergius) Källersjö (original description)
Crepis pulchra Scop. ex Steud. (original description)
Crepis suffreniana (DC.) Steud. (original description)
Dumerilia auriculata Steud. accepted as Jungia auriculata Steud. (original description)
Dumerilia crenata Steud. accepted as Jungia crenata Steud. (original description)
Dumerilia pubescens Steud. accepted as Jungia floribunda Less. (original description)
Dumerilia sericea Steud. accepted as Jungia sericea Steud. (original description)
Erigeron rufescens Link ex Steud. (original description)
Erigeron senecio auct.am. ex Steud. (original description)
Erigeron serpentarius Banks ex Steud. accepted as Erigeron bellidifolius Muhl. ex Willd. (original description)
Erigeron villosus Steud. accepted as Symphyotrichum pilosum var. pilosum (Willd.) G.L.Nesom (original description)
Gnaphalium depressum Steud. accepted as Laphangium luteoalbum (L.) Tzvelev (original description)
Guandiola Steud. (original description)
Gymnarrhea Steud. (original description)
Helenium alatum C.C.Gmel. ex Steud. (original description)
Helminthia rigida Schult. ex Steud. accepted as Helminthotheca echioides (L.) Holub (original description)
Heterocoma pedunculata Steud. (original description)
Hieracium flexuosum Schleich. ex Steud. (original description)
Hieracium foliosum Steud. (original description)
Hieracium hirsutum Bernh. ex Steud. (original description)
Hieracium leucopappum Steud. (original description)
Hieracium lineare Steud. (original description)
Hieracium nemorosum Steud. (original description)
Hieracium nudicaule (Michx.) Steud. (original description)
Hieracium ramosum Vill. ex Steud. (original description)
Hieracium spinulosum (Lapeyr.) Steud. (original description)
Hieracium thyrsoideum Fisch. ex Steud. (original description)
Hieracium turbinatum (Lapeyr.) Steud. (original description)
Hieracium urens Fisch. ex Steud. (original description)
Hieracium villarsii Vill. ex Steud. (original description)
Hyoseris canadensis Fisch. ex Steud. (original description)
Hyoseris cichorioides Steud. accepted as Leontodon hirtus L. (original description)
Hyoseris radiata Gaertn. ex Steud. (original description)