Cymopterus: Answers to key questions in Budd's Flora (BF)  and Flora of Alberta (FOA) leading to this genus. 

	plants less than 3 dm tall, usually 1-2 dm; NOT [plants more than 3 dm tall]
	plants NOT with a bluish tinge
	plants scapose; NOT [plants with stem leaves]
	foliage NOT spiny
	leaves much divided, with leaflets or segments numerous; NOT [leaves simple or divided into few well-developed leaflets]
	lowest leaves (and the upper) compound; NOT [lowest leaves simple]
	leaves pinnate, trifoliate, or simple; NOT [leaves palmate with 5-7 large leaflets], foliage NOT digitately compound
	leaves 2 or more times pinnate or ternate; NOT [leaves once pinnate]
	NOT [leaves usually trifoliate; leaflets palmate, 10-30 cm wide]
	plants lacking axillary bulblets; NOT [plants with axillary bulblets largely replacing flowers]
	inflorescence NOT bluish
	flowers NOT in dense globose heads]
	umbel compound; NOT [umbel simple]
	umbel many-flowered; NOT [umbel few-flowered]
	involucral bracts small; NOT [involucral bracts large]
	involucral bracts slightly or not dissected; NOT [involucral bracts pinnately dissected]
	bracts NOT spiny
	flowers white; NOT [flowers yellow]
	fruits more than 5 mm long; NOT [fruits 3-4 mm long]
	fruit generally 3 times as long as broad or less; NOT [fruit several times longer than broad]
	fruit oblong to elliptical; NOT [fruit linear to clavate]
	fruits flattened dorsally (at right angles to the styles); NOT [fruits more or less rounded in cross-section]
	fruit conspicuously winged on marginal and dorsal nerves; NOT [fruit winged on the marginal nerves only or wingless]
	fruit NOT spiny; NOT [fruit covered with short, hooked spines]

Umbelliferae: Answers to key questions in Budd's Flora and Flora of Alberta leading to this family.

	herbs; NOT [shrubs or trees]
	plants terrestrial or semiaquatic; NOT [plants aquatic, leaves submerged or floating]
	plants NOT with colored milky juice
	stems hollow
	plants with more than one normal leaf
	some or all leaves alternate; NOT [leaves opposite, whorled, or basal]
	leaves without stipules, or having glands; NOT [leaves with stipules]
	flowers in umbels
	flowers with two floral rings, and with each petal distinct from the others
	parts of flowers mostly in fives; NOT [parts of flowers in twos or fours]
	calyx regular; NOT [calyx irregular, some sepals smaller than others]
	stamens 10 or fewer; NOT [stamens usually more than 10]
	styles 2; NOT [styles 5]
	ovary inferior; NOT [ovary superior]