1	"Corolla 3--4.5 mm, throat +- > lobes"	2
1	"Corolla 4.5--8 mm, throat +- 2 × lobes"	3
2	"Corolla throat asymmetric, with small swelling on 1 side just distal to tube; leaves generally short-hairy"	"Valeriana californica"
2	"Corolla throat symmetric, evenly tapered to tube on all sides; leaves glabrous to sparsely hairy --- Wrn"	"Valeriana occidentalis"
3	"All basal leaves generally simple; W&I"	"Valeriana pubicarpa"
3	"At least some basal leaves lobed to compound; NW"	4
4	"Leaflets not lobed, fine-crenate to -dentate; < 1200 m"	"Valeriana sitchensis subsp. scouleri"
4	"Leaflets irregularly lobed to sparsely toothed; 1500--2200 m"	"Valeriana sitchensis subsp. sitchensis"