Butterfly Bush

in a natural unmaintained area adjacent to walkway in the botanical garden

in a natural unmaintained area adjacent to walkway in the botanical garden

on volcanic rhyolite cliff face above charco (pool) in canyon bottom of the wild natural area preserved in the botanical garden

on mixed gravels of volcanic tuff hillside at canyon rim with Quercus chihuahuensis, Agave shrevei

gravel rubble at margins of roadside rock quarry in volcanic tuff hillside.

in gravel rubble at margins of roadside rock quarry in volcanic tuff hillside.