Green-flowered Alumroot, Meadow Alumroot, Tall Alumroot: Heuchera chlorantha -
Alpine Alumroot, Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.
Alpine Alumroot, Alpine Heuchera, Smooth Alumroot: Heuchera glabra -
Thin-leaved Alumroot: Heuchera grossulariifolia var. tenuifolia (Synonym: Heuchera tenuifolia) - In the Klickitat River canyon at least as far north as Leidl Park.
Crevice Alumroot, Small-flowered Alumroot: Heuchera micrantha var. diversifolia (Synonyms: Heuchera diversifolia, Heuchera micrantha var. pacifica) -
Small-flowered Alumroot: Heuchera micrantha var. micrantha - Collected near Trout Lake, WA in 1923.