USDA lists two varieties:
var. albifrons: (White waterleaf) long tapered leaves with pointed tips (4-8) teeth per edge.
var. fendleri: (Fendler's waterleaf)
Note: Flowers are under the lobed, toothed leaves (H. tenuipes flowers are above the leaves)
east Central Cascades; north Olympics
TRAIL: Blue Creek; Klahhane Ridge
HABITAT: Montane forest (edge/opening); subalpine open
ELEVATION: 1,495 - 1,585 m (4,910 - 5,200 ft.)
BLOOM TIME: 01-JUL; 14-JUL
