Loeselii:  Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.  Note that the two answers about pod length from Budd's Flora (BF) and Flora of Alberta (FOA) restrict the length of mature pods to between 2 and 4 cm. stem with reflexed hairs leaves all pinnatifid to pinnate; NOT all or mostly entire, NOT very narrow upper leaves with lanceolate, NOT narrowly linear, divisions pedicel at maturity slender; NOT nearly as thick as pod pedicels divergent, NOT erect pedicels 5-10 mm long, NOT 2-3 mm long pods spreading or ascending, NOT closely appressed to the rachis pods linear; NOT conical or awl-shaped pods1-4 cm long; NOT 5-10 cm long (FOA) pods 2-10 cm long; NOT 1-2 cm long (BF)

 

Sisymbrium: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.  Note that the two answers from Budd's Flora (BF) regarding stem leaves do not match the characteristics of this species. plants more or less pubescent pubescence of single hairs, NOT forked, NOT attached at the middle stem hairs NOT appressed leaves deeply pinnatifid leaves NOT oval to elliptical, NOT entire basal leaves NOT lyrate-pinnatifid cauline leaves NOT cordate-clasping stem leaves narrowly linear, long attenuate at base (BF) stem leaves entire to dentate, not lobed (BF) flowers yellow petals less than 7 mm long fruit pod-like (silique or silicle) pod dehiscent by 2 valves pods not compressed at right angles to the central partition pod more than 4 times as long as broad pods terete; NOT 4-angled valves of pod 3-nerved; NOT sharply 1-nerved pod with a short slender beak or beakless seeds in 1 row in each locule seeds globose, ovoid or ellipsoid

 

Cruciferae: Answers to key questions in Budd's Flora leading to this family. herbs plants terrestrial or semi-aquatic plants not with colored milky juice plants with more than one normal leaf leaves without stipules, or having glands some or all leaves alternate calyx regular 4 sepals corolla regular in shape 4 petals stamens usually 6, 4 long and 2 short ovary superior 1 or 2 carpels