The white Lady Elizabeth is a patented white daylily:
http://www.americandaylily.com...
The AHS registered 1948 one is supposed to be yellow:
http://www.daylilies.org/Dayli...
Not sure what the cultivar name of the patented one is, it should be shown with the trade name. I'll look it up and post back.
Edit to add: The cultivar name of the trademarked Lady Elizabeth is 'Robbobeli' (not AHS registered) here's the patent:
http://www.google.com/patents/...
The NGA database needs to be corrected accordingly.
