Odontotrichum amplifolium (DC.) Rydb. accepted as Psacalium amplifolium (DC.) H.Rob. & Brettell (basis of record)
Odontotrichum amplum Rydb. accepted as Psacalium amplum (Rydb.) H.Rob. & Brettell (original description)
Odontotrichum ampullaceum Rydb. (original description)
Odontotrichum bipinnatifidum Rydb. (original description)
Odontotrichum brachycoma Rydb. (original description)
Odontotrichum calvum (Brandegee) Rydb. (original description)
Odontotrichum cervinum Rydb. accepted as Psacalium cervinum (Rydb.) H.Rob. & Brettell (original description)
Odontotrichum chiapense (Hemsl.) Rydb. (original description)
Odontotrichum decompositum (A.Gray) Rydb. accepted as Psacalium decompositum (A.Gray) H.Rob. & Brettell (original description)
Odontotrichum delphiniifolium Rydb. accepted as Pippenalia delphiniifolia (Rydb.) McVaugh (original description)
Odontotrichum eriopodum Rydb. (original description)
Odontotrichum filicifolium Rydb. accepted as Psacalium filicifolium (Rydb.) H.Rob. & Brettell (original description)
Odontotrichum globosum (B.L.Rob. & Fernald) Rydb. (original description)
Odontotrichum goldsmithii (B.L.Rob.) Rydb. accepted as Psacalium goldsmithii (B.L.Rob.) H.Rob. & Brettell (original description)
Odontotrichum jatrophoides (Kunth) Rydb. accepted as Digitacalia jatrophoides (Kunth) Pippen (original description)
Odontotrichum liebmannii (Klatt) Rydb. (original description)
Odontotrichum napeaefolium (DC.) Rydb. accepted as Digitacalia napeifolia (DC.) Pippen (original description)
Odontotrichum napellifolium (S.Schauer) Rydb. (original description)
Odontotrichum nephrophyllum Rydb. accepted as Psacalium nephrophyllum (Rydb.) H.Rob. & Brettell (original description)
Odontotrichum pachyphyllum (Sch.Bip.) Rydb. accepted as Psacalium pachyphyllum (Sch.Bip. ex Sch.Bip.) H.Rob. & Brettell (original description)
Odontotrichum pallescens (Klatt) Rydb. (original description)
Odontotrichum palmeri (Greene) Rydb. accepted as Psacalium platylepis (B.L.Rob. & Seaton) H.Rob. & Brettell (original description)
Odontotrichum paucicapitatum (B.L.Rob. & Greenm.) Rydb. accepted as Psacalium paucicapitatum (B.L.Rob. & Greenm.) H.Rob. & Brettell (original description)
Odontotrichum platylepis (B.L.Rob. & Seaton) Rydb. accepted as Psacalium platylepis (B.L.Rob. & Seaton) H.Rob. & Brettell (original description)
Odontotrichum pringlei (S.Watson) Rydb. accepted as Psacalium pringlei (S.Watson) H.Rob. & Brettell (original description)
Odontotrichum purpusii (Greenm.) Rydb. (original description)
Odontotrichum radulifolium (Kunth) Rydb. accepted as Psacalium radulifolium (Kunth) H.Rob. & Brettell (original description)
Odontotrichum rumicifolium Rydb. (original description)
Odontotrichum scabrum Rydb. (original description)
Odontotrichum schaffneri (A.Gray) Rydb. (original description)
Odontotrichum silphiifolium (B.L.Rob. & Greenm.) Rydb. (original description)
Odontotrichum sinuatum (Cerv.) Rydb. accepted as Psacalium sinuatum (Cerv.) H.Rob. & Brettell (original description)
Odontotrichum tridactylitis (B.L.Rob. & Greenm.) Rydb. (original description)
Odontotrichum tussilaginoides (Kunth) Rydb. accepted as Psacalium tussilaginoides (Kunth) H.Rob. & Brettell (original description)