[Wikipedia] Common Name Info: Pseudotsuga macrocarpa is a Douglas-fir. The name "bigcone spruce", though confusing as it is not a spruce species, is often still used, and occurs in place names. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/28/2025).
