TY  - JOUR
TI  - A PLEISTOCENE RECORD OF PSEUDOTSUGA MACROCARPA
T2  - Madroño; a West American journal of botany
VL  - 5
UR  - https://www.biodiversitylibrary.org/part/169743
PB  - California Botanical Society
CY  - Berkeley
PY  - 1940
SP  - 233
EP  - 235
AU  - Mason, H. L. (Herbert Louis),
ER  -