Broadleaved Marsh-marigold, Broad-leaved Caltha, Elkslip, Marsh Marigold, Twinflowered Marsh-marigold, White Marsh-marigold
Caltha biflora
Synonyms: Caltha biflora var. biflora, Caltha howellii, Caltha
leptosepala ssp. biflora, Caltha
leptosepala ssp. howellii, Caltha leptosepala var. biflora)
White marsh-marigold blooming along upper South Fork Conrad Creek between Warm Lake and the terminus of the Meade Glacier, Goat Rocks Wilderness........July 23, 2016.
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White marsh-marigolds observed in riparian areas in meadows along the Umbrella Falls Trail where the snow lays late into the season at Mount Hood Meadows Ski Area......July 6, 2019.
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 as seen creekside in Gotchen Creek Meadows (soon after the snow had melted off), southeastern Mt. Adams, Gifford Pinchot National Forest............August 8, 2012.
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.
White marsh-marigold as seen in springs near the summit (but to the west) of Silver Star Mountain, Gifford Pinchot National Forest........July 17, 2014.
Paul Slichter