Im tempted to type TMI, but instead... I commend you on your continuing interest in this spps. While I've found far fewer than you, & undoubtedly didnt examine them in detail as you have...but have noted outside of the core areas the rest of the N. Az viridis that Ive seen look like intergrades.
Hangon to your curiosity & have your camera at the ready...

Cheers, John Gunn

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