TY  - RPRT
TI  - Index of generic names of fossil plants, 1974-1978 : based on the Compendium index of paleobotany of the U.S. Geological Survey
AU  - Arthur Dwight Watt
PY  - 1982
DO  - 10.3133/b1517
UR  - https://pubs.usgs.gov/publication/b1517
ID  - b1517
ER  -