Artemisia palmeri A.Gray (original description)
Aster coloradoensis A.Gray accepted as Xanthisma coloradoense (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Bigelowia engelmannii A.Gray accepted as Oonopsis engelmannii (A.Gray) Greene (original description)
Bigelowia greenei A.Gray accepted as Chrysothamnus greenei (A.Gray) Greene (original description)
Bigelowia spathulata A.Gray accepted as Ericameria cuneata var. spathulata (A.Gray) H.M.Hall (original description)
Brickellia microphylla var. scabra A.Gray (original description)
Dicoria brandegeei A.Gray accepted as Dicoria canescens A.Gray (original description)
Dicoria brandigei A.Gray (original description)
Diplostephium canum A.Gray accepted as Hazardia cana (A.Gray) Greene (original description)
Encelia viscida A.Gray accepted as Geraea viscida (A.Gray) S.F.Blake (original description)
Franseria bipinnatifida A.Gray accepted as Ambrosia camphorata (Greene) W.W.Payne (original description)
Franseria ilicifolia A.Gray accepted as Ambrosia ilicifolia (A.Gray) W.W.Payne (original description)
Haplopappus palmeri A.Gray accepted as Ericameria palmeri (A.Gray) H.M.Hall (original description)
Helianthus gracilentus A.Gray (original description)
Hemizonia floribunda A.Gray accepted as Deinandra floribunda (A.Gray) Davidson & Moxley (original description)
Hemizonia frutescens A.Gray accepted as Deinandra frutescens (A.Gray) B.G.Baldwin (original description)
Iva hayesiana A.Gray (original description)
Perityle incana A.Gray (original description)
Pyrrhopappus rothrockii A.Gray (original description)
Senecio palmeri A.Gray (original description)
Wyethia coriacea A.Gray accepted as Agnorhiza ovata (Torr. & A.Gray ex Torr. & A.Gray) W.A.Weber (original description)