Agassizia A.Gray & Engelm. accepted as Gaillardia Foug. (original description)
Agassizia suavis A.Gray & Engelm. accepted as Gaillardia suavis (A.Gray & Engelm.) Britton & Rusby (original description)
Ageratum wrightii Torr. & A.Gray accepted as Trichocoronis wrightii (Torr. & A.Gray) A.Gray (original description)
Barattia A.Gray & Engelm. (original description)
Barattia calva A.Gray & Engelm. (original description)
Barrattia A.Gray & Engelm. ex A.Gray accepted as Simsia Pers. (original description)
Barrattia calva A.Gray & Engelm. accepted as Simsia calva A.Gray (original description)
Brickellia cylindracea A.Gray ex Engelm. (original description)
Geraea Torr. & A.Gray (original description)
Geraea canescens Torr. & A.Gray (original description)
Keerlia A.Gray & Engelm. (original description)
Lindheimera A.Gray & Engelm. (original description)
Lindheimera texana A.Gray & Engelm. (original description)
Tetragonotheca texana A.Gray & Engelm. (original description)
Vernonia lindheimeri A.Gray & Engelm. (original description)