Branching Stickseed, Cotton's Stickseed, Creamy Stickseed: Hackelia diffusa var. cottonii - White-flowered variety.
Branching Stickseed, Diffuse Stickseed, Spreading Stickseed: Hackelia diffusa var. diffusa (Synonyms: Hackelia saxatilis, Lappula diffusa) - Blue-flowered variety.
Blue Stickseed, Meadow Forget-me-not, Jessica Sticktight: Hackelia micrantha (Synonym: Hackelia jessicae) - Collected someplace along the Klickitat River.