Yellow Corydalis, a native plant, has been added to the USWildflowers database (04/17/2019.) Scientific name is Corydalis flavula. Photo below was taken in Lookout Mountain Conservancy, Chattanooga, Hamilton County, TN on Mar 25, 2019. Go to the Yellow Corydalis detail page for more information and photos.

Yellow Corydalis – Corydalis flavula