Ericameria uintahensis

About

Ericameria × uintahensis, commonly known as the Uinta rabbitbrush, is a rare, stable hybrid of rabbitbrush found only in the Uinta Basin in Utah. It is a hybrid of Ericameria nauseosa × Ericameria parryi. It blooms from August through October in badlands and along road cuts below 1,800 m (6,000 ft) of elevation. The plant is superficially similar to Tetradymia canescens, with whitish leaves and clustered flowers at the end of the branches.

Summary from Wikipedia