Ambrosia tenuifolia Gren. & Godr. (original description)
Artemisia villarsii Gren. & Godr. accepted as Artemisia umbelliformis subsp. eriantha (Ten.) Vallès-Xirau & Oliva Brañas (original description)
Barkhausia decumbens Gren. & Godr. accepted as Crepis bellidifolia Loisel. (original description)
Barkhausia erucifolia Gren. & Godr. accepted as Crepis lacera Ten. (original description)
Bidens hirta Jord. accepted as Bidens pilosa L. (original description)
Carduus acanthoides Gren. & Godr. (original description)
Centaurea debeauxii Godr. & Gren. (original description)
Centaurea jordaniana Gren. & Godr. (original description)
Centaurea microptilon (Godr.) Godr. & Gren. (original description)
Centaurea nigrescens Gren. & Godr. accepted as Centaurea jacea L. (original description)
Chamomilla fuscata Gren. & Godr. accepted as Chamaemelum fuscatum (Brot.) Vasc. (original description)
Chamomilla mixta Gren. & Godr. accepted as Cladanthus mixtus (L.) Chevall. (original description)
Crepis caespitosa (Moris) Gren. & Godr. accepted as Crepis bellidifolia Loisel. (original description)
Crepis decumbens Gren. & Godr. accepted as Crepis bellidifolia Loisel. (original description)
Crepis erucifolia Gren. & Godr. accepted as Crepis bursifolia L. (original description)
Cupularia Godr. & Gren. accepted as Inula L. (original description)
Cupularia graveolens (L.) Godr. & Gren. accepted as Dittrichia graveolens (L.) Greuter (original description)
Cupularia viscosa (L.) Godr. & Gren. accepted as Dittrichia viscosa (L.) Greuter (original description)
Garacium Gren. & Godr. accepted as Lactuca L. (original description)
Garacium alpinum Gren. & Godr. accepted as Lactuca alpina Benth. & Hook.f. (original description)
Hieracium aestivum Gren. & Godr. (original description)
Hieracium arnicoides Gren. & Godr. accepted as Hieracium glaucinum subsp. arnicoides (Gren. & Godr.) O.Bolòs & Vigo (original description)
Hieracium arrectum Gren. & Godr. (original description)
Hieracium chloropsis Gren. & Godr. (original description)
Hieracium elatum Gren. & Godr. (original description)
Hieracium glaucopsis Gren. & Godr. (original description)
Hieracium gougetianum Gren. & Godr. accepted as Hieracium glaucinum subsp. prasiophaeum (Arv.-Touv. & Gaut.) Gottschl. (original description)
Hieracium janus Gren. ex Gren. & Godr. (original description)
Hieracium leucophaeum Gren. & Godr. (original description)
Hieracium nobile Gren. & Godr. (original description)
Hieracium olivaceum Gren. & Godr. accepted as Hieracium juranum subsp. olivaceum (Gren. & Godr.) Greuter (original description)
Hieracium pulchellum Godr. (original description)
Hieracium sericeum Gren. & Godr. (original description)
Hieracium speciosum Gren. & Godr. (original description)
Hieracium subnivale Gren. & Godr. accepted as Hieracium piliferum subsp. subnivale (Gren. & Godr.) Zahn (original description)
Hieracium vagans Gren. & Godr. (original description)
Hieracium vestitum Gren. & Godr. accepted as Hieracium schmidtii subsp. vestitum (Gren. & Godr.) O.Bolòs & Vigo (original description)
Hieracium virosum Gren. & Godr. (original description)
Jurinea pyrenaica Gren. & Godr. accepted as Jurinea humilis (Desf.) DC. (original description)
Kentrophyllum coeruleum Gren. & Godr. (original description)
Kerneria bipinnata (L.) Gren. & Godr. accepted as Bidens bipinnata L. (original description)
Lactuca adulteriana Gren. & Godr. accepted as Lactuca saligna L. (original description)
Lactuca plumieri (L.) Gren. & Godr. (original description)
Lactuca ramosissima Gren. & Godr. (original description)
Leucanthemum corymbosum Gren. & Godr. (original description)
Leucanthemum parthenium (L.) Gren. & Godr. accepted as Tanacetum parthenium (L.) Sch.Bip. (original description)
Leucanthemum tomentosum Gren. & Godr. (original description)
Picris corymbosa Gren. & Godr. accepted as Picris hieracioides subsp. spinulosa (Guss.) Arcang. (original description)
Podospermum decumbens (Guss.) Gren. & Godr. accepted as Podospermum laciniatum subsp. decumbens (Guss.) Gemeinholzer & Greuter (original description)
Rhaponticum heleniifolium Gren. & Godr. (original description)
Senecio gerardii Gren. & Godr. accepted as Senecio provincialis (L.) Druce (original description)
Senecio pyrenaicus Gren. & Godr. accepted as Tephroseris helenitis (L.) B.Nord. (original description)
Soyeria alpina Gren. & Godr. (original description)
Willemetia prenanthoides (Scop.) Gren. & Godr. accepted as Chondrilla chondrilloides (Ard.) H.Karst. (original description)