Ambrosia caudata (Rydb.) Shinners accepted as Ambrosia confertiflora DC. (original description)
Ambrosia grayi (A.Nelson) Shinners (original description)
Ambrosia simulans Shinners accepted as Ambrosia confertiflora DC. (original description)
Cirsium terrae-nigrae Shinners accepted as Cirsium engelmannii Rydb. (original description)
Heleastrum hemisphericum (Alexander) Shinners accepted as Aster paludosus Sol. ex Aiton accepted as Eurybia paludosa (Sol. ex Aiton) G.L.Nesom (original description)
Heleastrum verutifolium (Alexander ex Small) Shinners (original description)
Machaeranthera correllii Shinners accepted as Xanthisma blephariphyllum (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Palafoxia cyanophylla Shinners (original description)
Palafoxia liebmannii (Sch.Bip. ex Greenm.) Shinners (original description)
Palafoxia pedata (Cav.) Shinners accepted as Florestina pedata (Cav.) Cass. (original description)
Palafoxia tripteris (DC.) Shinners (original description)
Psilactis lepta Shinners (original description)
Psilactis leptos Shinners accepted as Psilactis asteroides A.Gray (original description)
Rudbeckia coryi Shinners (original description)