[Wikipedia] Taxonomy: It was formally described by the Swedish botanist Carl Linnaeus in his seminal publication Species Plantarum in 1753.[2][10] Papaver is the Latin word for poppy and rhoeas means the corn poppy in Greek.[2] (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).