Not an accepted name (status: unknown). The accepted name is Ceanothus oliganthus var. sorediatus (Hook. & Arn.) Hoover, 1966.

Ceanothus oliganthus subsp. sorediatus Nutt., 1838 4% complete

No common name

J.Torrey & A.Gray, Fl. N. Amer. 1: 266 (1838)

There is no corrections for Ceanothus oliganthus subsp. sorediatus yet.