Providence Canyon, about 3.5km E of the W edge of Providence (where the road turns to gravel).
Longitude (DD)
-111.7505283
Latitude (DD)
41.69135333
Elevation (m)
1868
Habitat
On Berberus repens (many plants lightly infected, like these), in understory of dry canyon-bottom forest, under Acer grandidentata. The Acer had a similar looking mildew--largely confined to the lobe tips, etc.
Description
Fairly common.
Voucher image
Photos posted on iNaturalist: https://www.inaturalist.org/observations/182701865.