This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Meadow-gowan: American Cowslip. Caltha palustris.
Crowfoot Family. Apr. - May.
A plant 8 - 24 inches high. Found in low, wet meadows. Newfoundland to South Carolina, Tennessee, and Nebraska.
Yellow, 5 - 9 divisions.
Mostly from the root, round, kidney or heart-shaped.

Marsh Marigold.
 
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