Amblyopappus neomexicanus (A.Gray) A.Gray accepted as Schkuhria multiflora Hook. & Arn. accepted as Picradeniopsis multiflora (Hook. & Arn.) B.G.Baldwin (original description)
Baccharis sergiloides A.Gray (original description)
Burrielia lanosa A.Gray accepted as Eriophyllum lanosum (A.Gray) A.Gray (original description)
Calais bigelovii A.Gray accepted as Microseris bigelovii (A.Gray) Sch.Bip. (original description)
Calais cyclocarpha A.Gray accepted as Microseris douglasii (DC.) Sch.Bip. (original description)
Calais laciniata (Hook.) A.Gray accepted as Microseris laciniata (Hook.) Sch.Bip. (original description)
Calais major (A.Gray) A.Gray accepted as Microseris nutans (Hook.) Sch.Bip. (original description)
Calais nutans (Hook.) A.Gray accepted as Microseris nutans (Hook.) Sch.Bip. (original description)
Calais parryi A.Gray accepted as Microseris heterocarpa (Nutt.) K.L.Chambers (original description)
Calais sylvatica (Benth.) A.Gray accepted as Microseris sylvatica (Benth.) Sch.Bip. (original description)
Evax caulescens (Benth.) A.Gray accepted as Hesperevax caulescens (Benth.) A.Gray (original description)
Gnaphalium strictum A.Gray accepted as Gnaphalium grayi A.Nelson & J.F.Macbr. (original description)
Helenium mexicanum A.Gray (original description)
Helianthella californica A.Gray (original description)
Hemizonia fitchii A.Gray accepted as Centromadia fitchii (A.Gray) Greene (original description)
Hofmeisteria pluriseta A.Gray accepted as Pleurocoronis pluriseta (A.Gray) R.M.King & H.Rob. (original description)
Lagophylla filipes (Hook. & Arn.) A.Gray accepted as Holozonia filipes (Hook. & Arn.) Greene (original description)
Layia pentachaeta A.Gray (original description)
Lepachys tagetes (E.James) A.Gray accepted as Ratibida tagetes (E.James) Barnhart (original description)
Pentachaeta aurea A.Gray (original description)
Perityle fitchii Torr. ex A.Gray (original description)
Perityle nuda Torr. ex A.Gray (original description)
Pugiopappus A.Gray accepted as Coreopsis L. (original description)
Syntrichopappus A.Gray (original description)
Syntrichopappus fremontii A.Gray (original description)