Musineon: 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
	foliage NOT spiny
	most leaves basal
	lower stem leaves opposite; NOT [lower stem leaves alternate, stem leaves sometimes opposite in the inflorescence]
	lowest leaves (and the upper) compound; NOT [lowest leaves simple]
	leaves much divided, with leaflets or segments numerous; NOT [leaves simple or divided into few well-developed leaflets], NOT [leaves once pinnate], NOT [leaves palmate with 5-7 large leaflets], NOT [foliage digitately compound], NOT [leaves usually trifoliolate; leaflets palmate, 10-30 cm wide]
	plants lacking axillary bulblets; NOT [plants with axillary bulblets largely replacing flowers]
	inflorescence NOT bluish
	NOT [flowers in dense globose heads with spiny bracts]
	umbel compound; NOT [umbel simple]
	umbel many-flowered; NOT [umbel few-flowered]
	involucral bracts small, slightly or not dissected; NOT [involucral bracts large, pinnately dissected]
	flowers yellow
	fruits 3-4 mm long; NOT [fruits more than 5 mm long]
	fruit oblong to elliptical; NOT [fruit linear to clavate]
	fruit generally 3 times as long as broad or less; NOT [fruit several times longer than broad]
	fruits more or less rounded in cross-section; NOT [fruits flattened dorsally (at right angles to the styles)]
	fruit wingless; NOT [fruit winged]
	fruits tuberculate
	fruit NOT spiny; NOT [fruit covered with short, hooked spines]

Umbelliferae: Answers to key questions in Budd's Flora 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
	parts of flowers mostly in fives; NOT [parts of flowers in twos or fours]
	flowers with two floral rings, and with each petal distinct from the others
	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]