Aster bernardinus H.M.Hall accepted as Symphyotrichum defoliatum (Parish) G.L.Nesom (original description)
Aster delectabilis H.M.Hall accepted as Symphyotrichum spathulatum var. spathulatum (Lindl.) G.L.Nesom (original description)
Baeria aristata (Nutt.) H.M.Hall accepted as Lasthenia coronaria (Nutt.) Ornduff (original description)
Baeria aristata f. anthemoides (Nutt.) H.M.Hall (original description)
Baeria aristata f. mutica (Nutt.) H.M.Hall (original description)
Baeria aristata f. quadrata H.M.Hall (original description)
Baeria aristata f. truncata H.M.Hall (original description)
Baeria aristata f. varia H.M.Hall (original description)
Baeria aristata var. parishii H.M.Hall (original description)
Baeria chrysostoma var. gracilis (DC.) H.M.Hall accepted as Lasthenia gracilis (DC.) Greene (new combination reference)
Brickellia californica var. desertorum Parish (original description)
Carduus californicus var. bernardinus (Greene) Parish accepted as Cirsium occidentale var. californicum (A.Gray) D.J.Keil & C.E.Turner (original description)
Carduus occidentalis var. candidissimus (Greene) H.M.Hall accepted as Cirsium occidentale var. candidissimum (Greene) J.F.Macbr. (original description)
Carduus occidentalis var. coulteri (Harv. & A.Gray) H.M.Hall accepted as Cirsium occidentale var. coulteri (Harv. & A.Gray) Jeps. (original description)
Chaenactis glabriuscula f. curta H.M.Hall accepted as Chaenactis glabriuscula var. glabriuscula DC. (original description)
Chaenactis glabriuscula f. filifolia (A.Gray) H.M.Hall accepted as Chaenactis glabriuscula var. glabriuscula DC. (original description)
Chaenactis glabriuscula var. heterocarpha (Torr. & A.Gray ex A.Gray) H.M.Hall (original description)
Chaenactis glabriuscula var. lanosa (DC.) H.M.Hall (original description)
Chaenactis glabriuscula var. orcuttiana (Greene) H.M.Hall (original description)
Chaenactis glabriuscula var. tenuifolia (Nutt.) H.M.Hall accepted as Chaenactis glabriuscula var. glabriuscula DC. (original description)
Chaenactis stevioides var. brachypappa (A.Gray) H.M.Hall accepted as Chaenactis stevioides Hook. & Arn. (original description)
Chrysopsis villosa var. fastigiata (Greene) H.M.Hall accepted as Heterotheca fastigiata (Greene) V.L.Harms (original description)
Chrysothamnus paniculatus (A.Gray) H.M.Hall accepted as Ericameria paniculata (A.Gray) A.Gray ex Rydb. (original description)
Chrysothamnus teretifolius (Durand & Hilg.) H.M.Hall accepted as Ericameria teretifolia (Durand & Hilg.) Jeps. (original description)
Coreopsis bigelovii (A.Gray) H.M.Hall (original description)
Coreopsis douglasii (DC.) H.M.Hall (original description)
Coreopsis gigantea (Kellogg) H.M.Hall (original description)
Corethrogyne filaginifolia var. bernardina (Abrams) H.M.Hall accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Corethrogyne filaginifolia var. glomerata H.M.Hall accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Corethrogyne filaginifolia var. latifolia H.M.Hall accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Corethrogyne filaginifolia var. linifolia H.M.Hall accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Corethrogyne filaginifolia var. pacifica H.M.Hall accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Encelia frutescens f. actoni (Elmer) H.M.Hall accepted as Encelia actonii Elmer (original description)
Encelia frutescens f. ovata H.M.Hall accepted as Encelia frutescens (A.Gray) A.Gray (original description)
Encelia frutescens f. radiata H.M.Hall accepted as Encelia resinifera (M.E.Jones ex S.F.Blake) C.Clark (original description)
Encelia frutescens f. virginensis (A.Nelson) H.M.Hall accepted as Encelia virginensis A.Nelson (original description)
Encelia montana Brandegee accepted as Viguiera dentata (Cav.) Spreng. (original description)
Ericameria brachylepis (A.Gray) H.M.Hall (original description)
Ericameria cooperi (A.Gray) H.M.Hall (original description)
Ericameria cuneata var. spathulata (A.Gray) H.M.Hall (original description)
Ericameria palmeri (A.Gray) H.M.Hall (original description)
Ericameria parishii (Greene) H.M.Hall (original description)
Ericameria pinifolia (A.Gray) H.M.Hall (original description)
Eriophyllum confertiflorum var. latum H.M.Hall accepted as Eriophyllum confertiflorum var. confertiflorum (DC.) A.Gray (original description)
Eriophyllum lanatum var. obovatum (Greene) H.M.Hall (original description)
Gutierrezia californica var. bracteata (Abrams) H.M.Hall accepted as Gutierrezia californica (DC.) Torr. & A.Gray (original description)
Haplopappus gossypinus (Greene) H.M.Hall accepted as Pyrrocoma uniflora var. gossypina (Greene) Kartesz & Gandhi (original description)
Hemizonella minima var. parvula H.M.Hall (original description)
Hemizonia pungens var. parryi (Greene) H.M.Hall accepted as Centromadia parryi (Greene) Greene (original description)
Hymenopappus wrightii (A.Gray) H.M.Hall (original description)
Hymenothrix purpurea Brandegee accepted as Florestina purpurea (Brandegee) Rydb. (original description)
Hymenoxys biennis (A.Gray) H.M.Hall (original description)
Isocoma venata var. acradenia H.M.Hall (original description)
Lessingia heterochroma H.M.Hall (original description)
Madia elegans var. hispida (DC.) H.M.Hall accepted as Madia elegans D.Don (original description)
Malacothrix saxatilis var. implicata (Eastw.) H.M.Hall accepted as Malacothrix saxatilis (Nutt.) Torr. & A.Gray (original description)
Microseris lindleyi var. clevelandii (Greene) H.M.Hall accepted as Microseris heterocarpa (Nutt.) K.L.Chambers (original description)
Microseris montana (Greene) H.M.Hall accepted as Microseris sylvatica (Benth.) Sch.Bip. (original description)
Microseris platycarpha var. parishii (Greene) H.M.Hall accepted as Microseris douglasii subsp. douglasii (DC.) Sch.Bip. (original description)
Monoptilon bellioides (A.Gray) H.M.Hall (original description)
Otopappus xanthocarphus Brandegee accepted as Otopappus imbricatus (Sch.Bip.) S.F.Blake (original description)
Perymenium collinum Brandegee (original description)
Senecio ionophyllus var. bernardinus (Greene) H.M.Hall accepted as Packera bernardina (Greene) W.A.Weber & Á.Löve (original description)
Senecio ionophyllus var. sparsilobatus (Parish) H.M.Hall accepted as Packera bernardina (Greene) W.A.Weber & Á.Löve (original description)
Senecio purpusii Greenm. ex Brandegee accepted as Psacaliopsis purpusii (Greenm. ex Brandegee) H.Rob. & Brettell (original description)
Solidago confinis f. luxurians H.M.Hall (original description)
Stenotus linearifolius var. interior (Coville) H.M.Hall accepted as Ericameria linearifolia (DC.) Urbatsch & Wussow (original description)
Stephanomeria exigua var. pentachaeta (D.C.Eaton) H.M.Hall accepted as Stephanomeria exigua subsp. exigua Nutt. (original description)
Stephanomeria tenuifolia (Raf.) H.M.Hall (original description)
Stephanomeria virgata var. pleurocarpa (Greene) H.M.Hall accepted as Stephanomeria virgata subsp. pleurocarpa (Greene) Gottlieb (original description)
Tridax luisana Brandegee (original description)
Troximon heterophyllum f. crenulatum H.M.Hall accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon heterophyllum f. cryptopleurum (Greene) H.M.Hall accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon heterophyllum f. idiale H.M.Hall accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon heterophyllum f. kymapleurum (Greene) H.M.Hall (original description)
Troximon heterophyllum f. normale (Piper) H.M.Hall accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon heterophyllum f. turgidum H.M.Hall accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon heterophyllum var. californicum (Nutt.) H.M.Hall (original description)
Verbesina mixtecana Brandegee (original description)
Verbesina petrophila Brandegee (original description)
Viguiera purpusii Brandegee (original description)