Lepidium oblongum Small. Hab: Fields and roadsides, also as a waif around wool-combing mills in Coastal Plain of SC. Dist: Native of sc. and sw. North America south through Mexico to Central America (perhaps native in the western portions of our area). AL, AR, KS, NM, AZ, and OR south to TX, Mexico, and Central America. Reported for MD (Longbottom, Naczi, & Knapp 2016). Reported for s. IN by Bill Thomas (pers.comm., 2022). Reported for NJ (Schmidt 2023).
Origin/Endemic status: Native
Taxonomy Comments: For further information, see Rollins (1993) and Al-Shehbaz (1986).
Synonymy: = FNA7, GrPl, K3, K4, Mex, NcTx, Tx, Al-Shehbaz (1986a), Al-Shehbaz (1986b); = n/a – C, RAB; > Lepidium oblongum Small var. oblongum – Ar, K1, Rollins (1993)