Ambrosia paniculata f. dissecta O.E.Schulz accepted as Ambrosia polystachya DC. (original description)
Ambrosia paniculata f. litoralis O.E.Schulz accepted as Ambrosia polystachya DC. (original description)
Ambrosia paniculata var. abrotanifolia (Wall.) O.E.Schulz accepted as Ambrosia artemisiifolia Besser accepted as Ambrosia maritima Vell. accepted as Ambrosia polystachya DC. (original description)
Ambrosia paniculata var. cumanensis (Kunth) O.E.Schulz accepted as Ambrosia peruviana Willd. (original description)
Ambrosia paniculata var. peruviana (Willd.) O.E.Schulz accepted as Ambrosia peruviana Willd. (original description)
Ambrosia velutina O.E.Schulz (original description)
Bidens cynapiifolia var. portoricensis (Spreng. ex Spreng.) O.E.Schulz accepted as Bidens cynapiifolia Kunth (original description)
Bidens cynapiifolia var. tenuis O.E.Schulz accepted as Bidens cynapiifolia Kunth (original description)
Bidens pilosa var. albus (L.) O.E.Schulz accepted as Bidens pilosa L. (original description)
Bidens pilosa var. bimucronatus (Turcz.) O.E.Schulz (original description)
Bidens pilosa var. brachycarpus (DC.) O.E.Schulz (original description)
Bidens pilosa var. dubius O.E.Schulz (original description)
Bidens riparia var. refractus O.E.Schulz (original description)
Bidens rubifolia var. floribundus (Kunth) O.E.Schulz accepted as Bidens squarrosa Kunth (original description)
Bidens speciosa var. silvatica (Baker ex Mart.) O.E.Schulz accepted as Bidens segetum Mart. ex Colla (original description)
Bidens tereticaulis var. antiguensis (Coult.) O.E.Schulz accepted as Bidens squarrosa Kunth (original description)
Melanthera amethystina O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera brevifolia O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera canescens (Kuntze) O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera canescens f. bicolor O.E.Schulz (original description)
Melanthera crenata O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera hastata var. cubensis O.E.Schulz (original description)
Melanthera hastata var. cubensis O.E.Schulz (original description)
Melanthera hastata var. parvifolia O.E.Schulz (original description)
Melanthera molliuscula O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera montana O.E.Schulz accepted as Melanthera nivea (L.) Small (original description)
Melanthera nivea O.E.Schulz (original description)
Narvalina fruticosa Urb. ex O.E.Schulz (original description)
Wedelia bahamensis (Britton) Schulz ex O.E.Schulz (original description)
Wedelia ehrenbergii var. mayerhoffii O.E.Schulz (original description)
Wedelia ehrenbergii var. veronicifolia (A.Rich.) O.E.Schulz (original description)
Wedelia jacquinii f. angustifolia O.E.Schulz (original description)
Wedelia jacquinii var. acuminata O.E.Schulz (original description)
Wedelia jacquinii var. calycina (Rich.) O.E.Schulz accepted as Wedelia fruticosa Jacq. (original description)
Wedelia jacquinii var. caracasana O.E.Schulz (original description)
Wedelia jacquinii var. cruciana (Pers.) O.E.Schulz (original description)
Wedelia jacquinii var. parviflora (Rich.) O.E.Schulz accepted as Wedelia parviflora Rich. (original description)
Wedelia rugosa var. nitens O.E.Schulz (original description)
Wedelia urbani O.E.Schulz (original description)
Wulffia baccata var. vincentina O.E.Schulz accepted as Tilesia baccata (L.) Pruski (original description)
Wulffia maculata var. oblongifolia (DC.) O.E.Schulz (original description)