Rosa pinetorum, a dicot, is a shrub that is native to California and and is endemic (limited) to California.
California Rare Plant Rank:
(rare, threatened, or endangered in CA and elsewhere).
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals,
Consortium of California Herbaria.[web application]. 2020. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: Sep 27, 2020).