Absinthium tanacetifolium (L.) Gaertn. accepted as Artemisia genipi Weber ex Stechm. (original description)
Anaxeton Gaertn. (original description)
Anaxeton arboreum (L.) Gaertn. accepted as Anaxeton arborescens (L.) Less. (original description)
Anaxeton crispum (L.) Gaertn. accepted as Helichrysum crispum (L.) D.Don (original description)
Anaxeton foetidum (L.) Gaertn. accepted as Helichrysum foetidum (L.) Moench (original description)
Anaxeton nudifolium (L.) Gaertn. accepted as Helichrysum nudifolium (L.) Less. (original description)
Antennaria Gaertn. (original description)
Antennaria alpina (L.) Gaertn. (original description)
Antennaria dioica (L.) Gaertn. (original description)
Antennaria leontopodium (L.) Gaertn. accepted as Leontopodium nivale subsp. alpinum (Cass.) Greuter (original description)
Apuleia Gaertn. accepted as Berkheya Ehrh. (original description)
Apuleia asteroides Gaertn. accepted as Berkheya fruticosa (L.) Ehrh. (original description)
Apuleia fruticosa Gaertn. accepted as Berkheya barbata (L.f.) Hutch. (original description)
Apuleia rigida Gaertn. accepted as Stobaea gaertneri DC. (original description)
Arctotis sulphurea Gaertn. accepted as Arctotheca calendula (L.) Levyns (original description)
Arctotis undulata (P.J.Bergius) Gaertn. accepted as Arctotis laciniata Lam. (original description)
Argyrocome Gaertn. accepted as Leucochrysum (A.Cunn. ex DC.) Paul G.Wilson (original description)
Argyrocome retorta Gaertn. accepted as Helichrysum retortum (L.) Willd. (original description)
Arnoseris Gaertn. (original description)
Arnoseris pusilla Gaertn. accepted as Arnoseris minima (L.) Schweigg. & Körte (original description)
Aspidalis Gaertn. accepted as Cuspidia Gaertn. (original description)
Aspidalis araneosa Gaertn. accepted as Cuspidia cernua (L.f.) B.L.Burtt (original description)
Asteropterus callicornia Gaertn. accepted as Leysera callicornia L. (original description)
Atractylis fusus-agrestis Gaertn. accepted as Carthamus lanatus L. (original description)
Atractylis leucophaea Gaertn. (original description)
Calcitrapa hypophaestum Gaertn. accepted as Centaurea calcitrapa L. (original description)
Carduus personatus Gaertn. accepted as Cirsium personatum (original description)
Cirsellium Gaertn. accepted as Atractylis L. (original description)
Cirsellium cancellatum (L.) Gaertn. accepted as Atractylis cancellata L. (original description)
Cirsellium humile (L.) Gaertn. accepted as Atractylis humilis L. (original description)
Cirsium syriacum (L.) Gaertn. accepted as Notobasis syriaca (L.) Cass. (original description)
Cnicus Gaertn. accepted as Cirsium Mill. (original description)
Critonia kuhnia Gaertn. accepted as Brickellia eupatorioides (L.) Shinners (original description)
Cuspidia Gaertn. (original description)
Cuspidia araneosa (Meerb.) Gaertn. accepted as Cuspidia cernua (L.f.) B.L.Burtt (original description)
Cyanus eriophorus Gaertn. accepted as Centaurea eriophora L. (original description)
Cyanus melitensis Gaertn. accepted as Centaurea melitensis L. (original description)
Cyanus moschatus Gaertn. accepted as Amberboa moschata (L.) DC. (original description)
Cyanus napifolius Gaertn. accepted as Centaurea napifolia L. (original description)
Cyanus niger Gaertn. accepted as Centaurea nigra L. (original description)
Cyanus pullatus Gaertn. accepted as Centaurea pullata L. (original description)
Cyanus ragusinus Gaertn. accepted as Centaurea argentea L. (original description)
Cyanus sibiricus Gaertn. accepted as Psephellus sibiricus (L.) Wagenitz (original description)
Disparago Gaertn. accepted as Stoebe L. (original description)
Disparago ericoides (P.J.Bergius) Gaertn. accepted as Stoebe ericoides P.J.Bergius (original description)
Eclopes Gaertn. accepted as Relhania L'Hér. accepted as Oedera L. (original description)
Eclopes buxifolia Gaertn. accepted as Relhania speciosa (DC.) Harv. (original description)
Eclopes viscida Gaertn. accepted as Oedera viscosa (L'Hér.) Anderb. & K.Bremer (original description)
Eriocephalus racemosus Gaertn. accepted as Eriocephalus africanus var. paniculatus (Cass.) M.A.N.Müll., P.P.J.Herman & Kolberg (original description)
Evax Gaertn. accepted as Filago subg. Filago (original description)
Evax umbellata Gaertn. accepted as Filago pygmaea L. (original description)
Favonium Gaertn. accepted as Didelta L'Hér. (original description)
Favonium spinosum (L.f.) Gaertn. accepted as Didelta spinosa (L.f.) Aiton (original description)
Gazania Gaertn. (original description)
Gazania rigens (L.) Gaertn. (original description)
Gnaphalium legitimum Gaertn. (original description)
Hedypnois radiata Gaertn. (original description)
Helenia autumnalis Gaertn. (original description)
Helichrysum orientale (L.) Gaertn. accepted as Helichrysum orientale (L.) Vaill. (original description)
Helminthia echioides (L.) Gaertn. accepted as Helminthotheca echioides (L.) Holub (original description)
Hyoseris hirta (L.) Gaertn. accepted as Leontodon hirtus L. (original description)
Jacobaea vulgaris Gaertn. (original description)
Lactuca floridana (L.) Gaertn. (original description)
Lancisia turbinata Gaertn. (original description)
Lappa major Gaertn. accepted as Arctium lappa L. (original description)
Lonas inodora (L.) Gaertn. accepted as Lonas annua (L.) Vines & Druce (original description)
Onobroma Gaertn. accepted as Carduncellus Adans. (original description)
Onobroma caeruleum Gaertn. (original description)
Onobroma coeruleum (L.) Gaertn. accepted as Carthamus caeruleus L. accepted as Carduncellus caeruleus (L.) Less. (original description)
Osmites camphorina Gaertn. (original description)
Petasites albus (L.) Gaertn. (original description)
Phaethusa Gaertn. accepted as Verbesina L. (original description)
Phaethusa americana Gaertn. (original description)
Picris pyrenaica Gaertn. (original description)
Pulicaria Gaertn. (original description)
Pulicaria annua Gaertn. (original description)
Pulicaria dysenterica (L.) Gaertn. accepted as Pulicaria dysenterica (L.) Bernh. (original description)
Pulicaria vulgaris Gaertn. (original description)
Rhagadiolus edulis Gaertn. (original description)
Rhagadiolus stellatus Gaertn. (original description)
Rothia andryaloides Gaertn. (original description)
Scolymus angiospermus Gaertn. accepted as Scolymus maculatus L. (original description)
Scolymus gymnospermus Gaertn. accepted as Scolymus hispanicus L. (original description)
Senecillis Gaertn. accepted as Ligularia Cass. (original description)
Senecillis glauca Gaertn. (original description)
Senecillis purpurata Gaertn. (original description)
Sergilus Gaertn. accepted as Baccharis L. (original description)
Sergilus scoparius (L.) Gaertn. accepted as Baccharis scoparia (L.) Sw. (original description)
Serratula cyanoides Gaertn. (original description)
Silphium tetragonotheca Gaertn. (original description)
Silybum cernuum (L.) Gaertn. accepted as Alfredia cernua (L.) Cass. (original description)
Silybum marianum (L.) Gaertn. (original description)
Sphaeranthus indicus Gaertn. (original description)
Suprago Gaertn. accepted as Liatris Gaertn. ex Schreb. (original description)
Suprago glauca (L.) Gaertn. accepted as Vernonia glauca (L.) Willd. (original description)
Suprago spicata (L.) Gaertn. accepted as Liatris spicata (L.) Willd. (original description)
Synedrella Gaertn. (original description)
Synedrella nodiflora (L.) Gaertn. (original description)
Tagetes major Gaertn. accepted as Tagetes erecta L. (original description)
Tanacetum chrysanthemoides Gaertn. (original description)