Crepis acuminata subsp. pluriflora Babc. & Stebbins accepted as Crepis acuminata Nutt. (original description)
Crepis acuminata subsp. typica Babc. & Stebbins accepted as Crepis acuminata Nutt. (original description)
Crepis atribarba subsp. originalis (Babc. & Stebbins) Babc. & Stebbins (original description)
Crepis atribarba subsp. typica Babc. & Stebbins accepted as Crepis atribarba A.Heller (original description)
Crepis bakeri subsp. cusickii (Eastw.) Babc. & Stebbins (original description)
Crepis bakeri subsp. idahoensis Babc. & Stebbins (original description)
Crepis bakeri subsp. typica Babc. & Stebbins accepted as Crepis bakeri subsp. bakeri Greene (original description)
Crepis exilis subsp. originalis Babc. & Stebbins accepted as Crepis atribarba A.Heller (original description)
Crepis exilis subsp. typica Babc. & Stebbins accepted as Crepis atribarba A.Heller (original description)
Crepis modocensis subsp. glareosa (Piper) Babc. & Stebbins (original description)
Crepis modocensis subsp. rostrata (Coville) Babc. & Stebbins (original description)
Crepis modocensis subsp. subacaulis (Kellogg) Babc. & Stebbins (original description)
Crepis modocensis subsp. typica Babc. & Stebbins accepted as Crepis modocensis subsp. modocensis Greene (original description)
Crepis occidentalis subsp. conjuncta (Jeps.) Babc. & Stebbins (original description)
Crepis occidentalis subsp. costata (A.Gray) Babc. & Stebbins (original description)
Crepis occidentalis subsp. pumila (Rydb.) Babc. & Stebbins (original description)
Crepis occidentalis subsp. typica Babc. & Stebbins accepted as Crepis occidentalis subsp. occidentalis Nutt. (original description)
Crepis runcinata subsp. andersonii (A.Gray) Babc. & Stebbins (original description)
Crepis runcinata subsp. barberi (Greenm.) Babc. & Stebbins (original description)
Crepis runcinata subsp. glauca (Nutt.) Babc. & Stebbins (original description)
Crepis runcinata subsp. hallii Babc. & Stebbins (original description)
Crepis runcinata subsp. hispidulosa (Howell ex Rydb.) Babc. & Stebbins (original description)
Crepis runcinata subsp. imbricata Babc. & Stebbins (original description)
Crepis runcinata subsp. typica Babc. & Stebbins accepted as Crepis runcinata (E.James) Torr. & A.Gray (original description)
Crepis setosa subsp. typica Babc. & Stebbins accepted as Crepis setosa Haller f. (original description)