Actinolepis anthemoides (Nutt.) A.Gray accepted as Achyropappus anthemoides Kunth (original description)
Aster incanus (Lindl.) A.Gray accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Aster parviflorus (A.Gray) A.Gray accepted as Arida parviflora (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Aster shastensis (A.Gray) A.Gray accepted as Dieteria canescens var. shastensis (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Baeria palmeri A.Gray accepted as Lasthenia californica DC. ex Lindl. (original description)
Bahia ambigua (A.Gray) A.Gray accepted as Eriophyllum ambiguum (A.Gray) A.Gray (original description)
Bahia confertiflora var. trifida (Nutt.) A.Gray accepted as Eriophyllum confertiflorum var. trifidum (Nutt.) A.Gray (original description)
Bahia lanata var. achilleoides (DC.) A.Gray accepted as Eriophyllum lanatum var. achillioides (DC.) Jeps. (original description)
Bahia lanata var. grandiflora A.Gray accepted as Eriophyllum lanatum var. grandiflorum (A.Gray) Jeps. (original description)
Bahia parviflora A.Gray accepted as Eriophyllum ambiguum (A.Gray) A.Gray (original description)
Bigelowia brachylepis A.Gray accepted as Ericameria brachylepis (A.Gray) H.M.Hall (original description)
Chaenactis nevadensis (Kellogg) A.Gray (original description)
Chrysopsis sessiliflora var. echioides (Benth.) A.Gray accepted as Heterotheca sessiliflora subsp. echioides (Benth.) Semple (original description)
Corethrogyne filaginifolia var. virgata (Benth.) A.Gray accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Glyptopleura setulosa A.Gray (original description)
Gutierrezia linearifolia A.Gray (original description)
Hemizonia douglasii A.Gray accepted as Calycadenia villosa DC. (original description)
Hemizonia mollis (A.Gray) A.Gray accepted as Calycadenia mollis A.Gray (original description)
Hemizonia multiglandulosa (DC.) A.Gray accepted as Calycadenia multiglandulosa DC. (original description)
Hemizonia pauciflora (A.Gray) A.Gray accepted as Calycadenia pauciflora A.Gray (original description)
Hemizonia truncata (DC.) A.Gray accepted as Calycadenia truncata DC. (original description)
Hemizonia wheeleri A.Gray accepted as Madia elegans D.Don (original description)
Hofmeisteria fasciculata var. xantii A.Gray accepted as Hofmeisteria fasciculata (Benth.) Walp. (original description)
Hulsea nana var. larsenii A.Gray accepted as Hulsea nana A.Gray (original description)
Layia calliglossa var. oligochaeta A.Gray accepted as Layia chrysanthemoides (DC.) A.Gray (original description)
Layia platyglossa var. breviseta A.Gray accepted as Layia platyglossa (Fisch. & C.A.Mey.) A.Gray (original description)
Malacothrix clevelandii A.Gray (original description)
Malacothrix sect. Anathrix (A.Gray) A.Gray (original description)
Pentachaeta exilis var. aphantochaeta A.Gray accepted as Pentachaeta exilis subsp. exilis (A.Gray) A.Gray (original description)
Pentachaeta exilis var. discoidea A.Gray accepted as Pentachaeta exilis subsp. exilis (A.Gray) A.Gray (original description)
Perezia arizonica A.Gray accepted as Acourtia wrightii (A.Gray) Reveal & R.M.King (original description)
Perityle emoryi var. nuda (Torr. ex Torr.) A.Gray (original description)
Petasites palmatus (Aiton) A.Gray accepted as Petasites frigidus var. palmatus (Aiton) Cronquist (original description)
Petasites sagittatus (Banks ex Pursh) A.Gray accepted as Petasites frigidus var. sagittatus (Banks ex Pursh) (original description)
Raillardella argentea (A.Gray) A.Gray (original description)
Raillardella muirii A.Gray accepted as Carlquistia muirii (A.Gray) B.G.Baldwin (original description)
Raillardella scaposa (A.Gray) A.Gray (original description)
Senecio fremontii var. occidentalis A.Gray (original description)
Solidago sempervirens A.Gray (original description)
Troximon apargioides A.Gray (original description)
Troximon grandiflorum var. laciniatum (Nutt.) A.Gray accepted as Agoseris elata (Nutt.) Greene (original description)