Sisymbrium altissimum

Family: Brassicaceae
Common Name: Tall Hedge-Mustard
Symbol: SIAL2
Description: Annuals. Basal leaves rosulate;broadly oblanceolate, oblong, or lanceolate, 5-20 cm - 20-80 mm, margins pinnatisect, pinnatifid. Cauline leaves similar to basal; distalmost blade with linear to filiform lobes. Fruiting pedicels usually divaricate, rarely ascending. Roadsides, fields, pastures, waste grounds, disturbed sites, grasslands; 0-2700 m.