I'm assuming this offering on Mountain Crest Gardens is a mistake, but it's more than just a misspelling, it converts a valid species name into an non-existent cultivar name.
Lynn and Bev, I know that when you visited MCG, you were assisting with validating proper IDs, maybe they can be contacted about this one.
Currently MCG website is down, so I included the screen capture above, it's one of their available offerings as of this date.