Descurainia incana subsp. incisa (Bernhardi ex Fischer & C.A.Meyer) Dorn subspecies synonym

Sisymbrium brachycarpum Hook. & Arn. species synonym

Sisymbrium glanduliferum (Rydberg) K.Schumann species synonym

Sisymbrium canescens Benth. species synonym

Sisymbrium incisum var. xerophilum E.Fourn. variety synonym

Sisymbrium incisum var. sonnei B.L.Rob. variety synonym

Sisymbrium serratum (Greene) Tidestr. species synonym

Descurainia rydbergii var. eglandulosa O.E.Schulz variety synonym

Descurainia richardsonii var. sonnei (B.L.Rob.) C.L.Hitchc. variety synonym

Descurainia incisa var. leptophylla (Rydb.) O.E.Schulz variety synonym

Descurainia incana var. viscosa (Rydb.) Dorn variety synonym

Sophia viscosa Rydb. species synonym

Sophia sonnei Greene species synonym

Sophia purpurascens Rydb. species synonym

Sophia leptophylla Rydb. species synonym

Sophia serrata Greene species synonym

Sonchus glandulifera Rydb. species homotypic synonym

Descurainia pinnata var. paysoni Detling variety synonym

Sophia glandulifera Rydb. species synonym

Descurainia richardsonii var. viscosa (Rydb.) M.Peck variety synonym

Descurainia pinnata var. paysonii (Detling) S.L.Welsh & Reveal variety synonym

Descurainia incisa var. viscosa (Rydb.) G.A.Mulligan variety synonym

Descurainia incisa var. paysonii (Detling) N.H.Holmgren variety synonym

Descurainia incana subsp. viscosa (Rydb.) Kartesz & Gandhi subspecies synonym

Descurainia incisa var. incisa variety synonym

Descurainia incisa subsp. incisa subspecies accepted

Descurainia incisa subsp. paysonii (Detling) Rollins subspecies accepted

Descurainia pinnata subsp. paysonii Detling subspecies synonym

Descurainia richardsonii subsp. viscosa (Rydb.) Detling subspecies synonym

Sisymbrium viscosum (Rydb.) Blank. species synonym

Descurainia incisa subsp. viscosa (Rydb.) Rollins subspecies synonym

Descurainia rydbergii O.E.Schulz species synonym

Descurainia serrata (Greene) O.E.Schulz species synonym

Sisymbrium leptophyllum (Rydb.) A.Nelson & J.F.Macbr. species synonym