Iris douglasiana, AKA Douglas’ iris, is a very common plant of the coastal forest in Mendocino County.
It is not clear to me how many are actually true and how many are hybrids with other local species.
Category: Iridaceae
Natural Iris hybrids
The Iris species can readily pollinate each other so natural hybrids are common anywhere that more than one species occurs.
And another
All of the naturally occurring Iris species in the PNW are beardless.
Compare those with a couple of bearded garden hybrids.