Slender Crazyweed: Oxytropis campestris var. columbiana (Synonym: Oxytropis columbiana) - Stems short or absent, with only leafless flower stems above the cluster of basal leaves. Plants not sticky or glandular. Flowers white and 10-20 mm long, the keel purple-spotted. Leaflets generally number less than 17.
Yellow-flower Locoweed: Oxytropis campestris var. gracilis (Synonyms: Oxytropis campestris ssp. gracilis, Oxytropis campestris var. cervinus, Oxytropis gracilis, Oxytropis luteola, Oxytropis monticola , Oxytropis villosa) -
Field Crazyweed, Yellow-flowered Crazyweed, Yellow-flower Locoweed, Yellow-flowered Crazyweed, : Oxytropis campestris var. spicata (Synonyms: Oxytropis campestris ssp. gracilis, Oxytropis campestris var. cervinus, Oxytropis campestris var. gracilis, Oxytropis gracilis, Oxytropis luteola, Oxytropis monticola, Oxytropis sericea var. spicata, Oxytropis villosa) - Stems short or absent, with only leafless flower stems above the cluster of basal leaves. Plants not sticky or glandular. Flowers whitish-yellow, 10-20 mm long, the keel not purple spotted. Flower stems typically more than 15 cm long. leaves usually with more than 17 leaflets.