Mexican species
| Gray Sanddragon (Progomphus borealis) | |||
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| Subspecies | |||
| Distribution | SW USA (Utah, Texas, New Mexico, Nevada, Idaho, California, Arizona) and NE Mexico to the Central Volcanic Belt. | ||
| Endemic status | Semi-endemic to Mexico, USA. | ||
| Comment | Added to bcn, bcs and dur according to PugetSound Jan 2025. (Dur observations in naturalista.mx are not confirmed, but state probably added by Dennis Paulson's private data). | ||
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