Caltha palustris Common Names marsh marigold, kingcup Family Ranunculaceae Habitat wetlands in sunny areas Observed Blooming late June, 2016 (in Iceland) [note: it blooms much earlier in the Maryland piedmont] Conservation no issues Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Like Loading...