TY  - RPRT
TI  - The California poppy (eschscholtzia mexicana) as a copper indicator plant - A new example
AU  - M.A. Chaffee
AU  - C.W. Gale
PY  - 1976
DO  - 10.1016/0375-6742(76)90035-2
UR  - https://pubs.usgs.gov/publication/70010233
ID  - 70010233
ER  -