The Ribes glandulosum can be found in several places the United States, including a mountain range formed approximately how many years ago?
Ribes glandulosum:  It is widespread in Canada (all 10 provinces and all 3 territories) and is also found in parts of the United States (Alaska, the Great Lakes region, the Appalachian Mountains, and the Northeast). Appalachian Mountains:  The Appalachians first formed roughly 480 million years ago during the Ordovician Period.
480 million