Cacalia clematites Poir. accepted as Faujasia flexuosa (Lam.) Benth. & Hook.f. ex Hook.f. & B.D.Jacks. (original description)
Cacalia linaria var. pumila (Hook. & Arn.) Poir. accepted as Porophyllum linifolium (L.) DC. (original description)
Cacalia oppositifolia Poir. accepted as Porophyllum oppositifolium Kuntze (original description)
Carduus fruticosus Poir. accepted as Carlina xeranthemoides L.f. (original description)
Centaurea cyanifolia Poir. accepted as Centaurea solstitialis L. (original description)
Centaurea elata Poir. (original description)
Chondrilla acanthifolia (Willd.) Poir. accepted as Lactuca acanthifolia (Willd.) Boiss. (original description)
Chondrilla aspera (Schrad. ex Willd.) Poir. (original description)
Chondrilla aspleniifolia (Willd.) Poir. accepted as Launaea aspleniifolia (Willd.) Hook.f. (original description)
Chondrilla chinensis (Thunb.) Poir. accepted as Ixeris chinensis (Thunb. ex Thunb.) Nakai (original description)
Chondrilla crepidinea (Michx.) Poir. accepted as Nabalus crepidineus (Michx.) DC. (original description)
Chondrilla cymosa Poir. (original description)
Chondrilla debilis (Thunb.) Poir. accepted as Ixeris debilis (Thunb. ex Thunb.) A.Gray (original description)
Chondrilla dentata (Thunb.) Poir. accepted as Ixeridium dentatum (Thunb. ex Thunb.) Tzvelev (original description)
Chondrilla denticulata (Houtt.) Poir. accepted as Crepidiastrum denticulatum (Houtt.) Pak & Kawano (original description)
Chondrilla erysimifolia (Willd.) Poir. accepted as Lactuca muralis (L.) Gaertn. (original description)
Chondrilla hastata (Thunb.) Poir. accepted as Crepidiastrum denticulatum (Houtt.) Pak & Kawano (original description)
Chondrilla hispida (Pall.) Poir. (original description)
Chondrilla illinoiensis Poir. accepted as Nabalus asper (Michx.) Torr. & A.Gray (original description)
Chondrilla lanceolata (Houtt.) Poir. accepted as Crepidiastrum lanceolatum (Houtt.) Nakai (original description)
Chondrilla lyrata (Thunb.) Poir. accepted as Youngia japonica (L.) DC. (original description)
Chondrilla multiflora (Thunb.) Poir. accepted as Youngia japonica (L.) DC. (original description)
Chondrilla pinnatifida Poir. (original description)
Chondrilla racemosa (Michx.) Poir. accepted as Nabalus racemosus (Michx.) Hook. (original description)
Chondrilla rubicunda (Willd.) Poir. accepted as Nabalus albus (L.) Hook. (original description)
Chondrilla sarmentosa (Willd.) Poir. accepted as Launaea sarmentosa (Willd.) Sch.Bip. ex Kuntze (original description)
Chondrilla sonchifolia (Willd.) Poir. accepted as Launaea intybacea (Jacq.) Beauverd (original description)
Chondrilla squarrosa (Thunb.) Poir. accepted as Lactuca indica L. (original description)
Chondrilla virgata Poir. accepted as Prenanthes autumnalis Walter (original description)
Cineraria appendiculata (L.f.) Poir. accepted as Pericallis appendiculata (L.f.) B.Nord. (original description)
Cineraria crassiflora Poir. accepted as Senecio crassiflorus (Poir.) DC. (original description)
Cineraria senecifolia Poir. accepted as Jacobaea alpina (L.) Moench (original description)
Conyza anchusifolia Poir. accepted as Psiadia anchustifolia (original description)
Conyza conica Poir. (original description)
Conyza diffusa Poir. accepted as Erigeron gouanii L. (original description)
Conyza loueirii Poir. (original description)
Conyza lucens Poir. (original description)
Conyza rutilans Poir. accepted as Gymnanthemum coloratum (Willd.) H.Rob. & B.Kahn (original description)
Conyza tridentata Poir. accepted as Baccharis tridentata Vahl (original description)
Conyza undulata Poir. (original description)
Coreopsis integrifolia Poir. (original description)
Coreopsis serrulata Poir. accepted as Bidens serrulata (Poir.) Desf. (original description)
Coreopsis trifida Poir. accepted as Thelesperma filifolium (Hook.) A.Gray (original description)
Cotula pygmaea Poir. accepted as Nananthea perpusilla (Loisel.) DC. (original description)
Dahlia crocea (Willd.) Poir. (original description)
Dahlia crocea var. coccinea (Cav.) Poir. accepted as Georgina coccinea (Cav.) Willd. (original description)
Dahlia crocea var. crocea (Willd.) Poir. accepted as Dahlia crocea (Willd.) Poir. (original description)
Dahlia crocea var. flava (Willd.) Poir. accepted as Dahlia coccinea Cav. (original description)
Dahlia purpurea (Willd.) Poir. accepted as Dahlia pinnata Cav. (original description)
Dahlia purpurea var. flavescens (DC.) Poir. accepted as Dahlia pinnata Cav. (original description)
Dahlia purpurea var. lilacina (Willd.) Poir. accepted as Dahlia pinnata Cav. (original description)
Dahlia purpurea var. pallida (Willd.) Poir. accepted as Dahlia pinnata Cav. (original description)
Dahlia purpurea var. purpurea (DC.) Poir. accepted as Dahlia purpurea (Willd.) Poir. accepted as Dahlia pinnata Cav. (original description)
Dahlia purpurea var. rubra (DC.) Poir. accepted as Dahlia pinnata Cav. (original description)
Doronicum corsicum (Loisel.) Poir. (original description)
Doronicum crenatum Poir. (original description)
Doronicum grande Poir. accepted as Capelio tomentosa (Burm.f.) B.Nord. (original description)
Doronicum lanatum Poir. accepted as Capelio tomentosa (Burm.f.) B.Nord. (original description)
Doronicum oporinum Poir. accepted as Olearia chathamica Kirk (original description)
Doronicum serratum Poir. accepted as Gerbera serrata (Thunb.) Druce (original description)
Doronicum sinuatum Poir. accepted as Gerbera serrata (Thunb.) Druce (original description)
Elephantopus nudicaulis Poir. (original description)
Eupatorium chenopodifolium (Willd.) Poir. accepted as Mikania chenopodifolia Willd. (original description)
Eupatorium cordiforme Poir. accepted as Ageratina aromatica (L.) Spach (original description)
Eupatorium dubium Willd. ex Poir. accepted as Eupatorium dubium Willd. ex Poiret (original description)
Eupatorium frasieri Poir. accepted as Ageratina altissima (L.) R.M.King & H.Rob. (original description)
Eupatorium triangulare Poir. accepted as Chromolaena corymbosa (Aubl.) R.M.King & H.Rob. (original description)
Gnaphalium argenteum Poir. accepted as Helichrysum yuccifolium Poir. (original description)
Gnaphalium calicinum Poir. (original description)
Gnaphalium chrysocoma Poir. accepted as Ifloga spicata (Forssk.) Sch.Bip. (original description)
Gnaphalium compressum Poir. accepted as Schizogyne obtusifolia Cass. (original description)
Gnaphalium floridum Poir. accepted as Anaxeton arborescens (L.) Less. (original description)
Gnaphalium foliosum Poir. accepted as Helichrysum stoechas subsp. barrelieri (Ten.) Nyman (original description)
Gnaphalium madagascariense Poir. accepted as Helichrysum madagascariense DC. (original description)
Gnaphalium multiflorum Poir. accepted as Schizogyne obtusifolia Cass. (original description)
Gnaphalium pluricaule Poir. accepted as Helichrysum indicum (L.) Grierson (original description)
Gnaphalium rufescens Poir. (original description)
Gnaphalium solidaginoides Poir. accepted as Blumea axillaris (Lam.) DC. (original description)
Gorteria lyrato-pinnatifida Poir. accepted as Gazania pectinata (Thunb.) Hartweg (original description)
Gorteria speciosa (Willd.) Poir. accepted as Gazania pectinata (Thunb.) Hartweg (original description)
Grangea cuneifolia (Willd.) Poir. accepted as Centipeda minima (L.) A.Braun & Asch. (original description)
Grangea lanceolata Poir. accepted as Eclipta prostrata (L.) L. (original description)
Grangea latifolia Lam. ex Poir. accepted as Dichrocephala integrifolia (L.f.) Kuntze (original description)
Grangea maderaspatana (L.) Poir. (original description)
Grangea minima Poir. (original description)
Grangea minuta (G.Forst.) Poir. accepted as Cotula minuta G.Forst. (original description)
Hieracium filiforme Poir. (original description)
Hieracium hirtum Poir. (original description)
Hieracium prostratum Poir. (original description)
Prenanthes indica j.g.klein ex Poir. (original description)