Bidens arenaria Gand. accepted as Bidens pilosa L. (original description)
Centaurea brevis Gand. (original description)
Centaurea collicola Gand. (original description)
Centaurea lineata Gand. (original description)
Centaurea scleroclada Gand. (original description)
Centaurea spinulescens Gand. (original description)
Cirsium alixense Gand. (original description)
Cirsium amplum Gand. (original description)
Cirsium araricum Gand. (original description)
Cirsium bichroophyllum Gand. (original description)
Cirsium brevicaule Gand. (original description)
Cirsium calopodum Gand. (original description)
Cirsium capnoideum Gand. (original description)
Cirsium cladophorum Gand. (original description)
Cirsium collivagum Gand. (original description)
Cirsium curiosum Gand. (original description)
Cirsium disjunctum Gand. (original description)
Cirsium eremogenes Gand. (original description)
Cirsium frayi Gand. (original description)
Cirsium globiferum Gand. (original description)
Cirsium hygrogenes Gand. (original description)
Cirsium integriusculum Gand. (original description)
Cirsium oviforme Gand. accepted as Cirsium eriophorum (L.) Scop. (original description)
Cirsium parietinum Gand. (original description)
Cirsium peraffine Gand. (original description)
Cirsium rhodanicum Gand. (original description)
Cirsium rusticanum Gand. (original description)
Cirsium streptacanthum Gand. (original description)
Cirsium subfloccosum Gand. (original description)
Cirsium sublaeve Gand. (original description)
Cirsium viale Gand. (original description)
Hieracium arnassense Gand. (original description)
Hieracium chevrolatii Gand. (original description)
Hieracium declinans Gand. (original description)
Hieracium discors Gand. (original description)
Hieracium filicaule Gand. (original description)
Hieracium lugdunense Gand. (original description)
Hieracium megalophyllum Gand. (original description)
Hieracium obtusiusculum Gand. (original description)
Hieracium paraffine Gand. (original description)
Hieracium pennatipartitum Gand. (original description)
Hieracium rhodanense Gand. (original description)
Hieracium solitudinis Gand. (original description)
Hieracium subbiflorum Gand. (original description)
Hieracium subrecurvum Gand. (original description)
Inula argentea Gand. (original description)
Inula beugesiaca Gand. (original description)
Inula ensiformis Gand. (original description)
Inula lugdunensis Gand. (original description)
Onopordum candidissimum Gand. (original description)
Senecio fayei Gand. (original description)
Sonchus borderi Gand. accepted as Sonchus asper (L.) Hill (original description)