[Marsh-marigolds: The Genus Caltha West of the Cascade Mountains of Oregon and Washington]

White Marsh-marigold, Marsh Marigold, Broad-leaved Caltha, Elkslip

Caltha leptosepala ssp. howellii

Synonyms: Caltha biflora var. biflora, Caltha leptosepala var. biflora

White Marsh-marigold, Marsh Marigold, Broad-leaved Caltha, Elkslip: Caltha leptosepala ssp. howellii (Synonyms: Caltha biflora var. biflora, Caltha leptosepala var. biflora)

White marsh-marigold blooming in moist areas around the small lakes in Bigelow Basin, Siskiyou National Forest............July 15, 2012.

White Marsh-marigold: altha leptosepala var. leptosepala

White marsh-marigold as seen in a moist meadow at the head of Badger Valley, Olympic National Park.........July 25, 2014. This is the former Caltha leptosepala var. leptosepala which has leaves longer than wide. The former variety biflora has leaves about as long as wide.

White Marsh-marigold, Marsh Marigold, Broad-leaved Caltha, Elkslip: Caltha leptosepala ssp. howellii (Synonyms: Caltha biflora var. biflora, Caltha leptosepala var. biflora)

White marsh-marigold as seen at Bird Creek Meadows on the eastern slopes of Mt. Adams..................July 16, 2006. The leaves of these plants are slightly longer than broad.

White Marsh-marigold, Marsh Marigold, Broad-leaved Caltha, Elkslip: Caltha leptosepala ssp. howellii (Synonyms: Caltha biflora var. biflora, Caltha leptosepala var. biflora)

White marsh-marigold as seen at about 4300' abreast the ridge separating the Dry Creek and Cougar Creek drainages on the southeast side of Mt. Adams................May 22, 2005.

Paul Slichter