TY  - RPRT
TI  - The distribution of Vallisneria americana seeds and seedling light requirements in the Upper Mississippi River
AU  - A. Kimber
AU  - Arnold G. van der Valk
AU  - Carl E. Korschgen
PY  - 1995
DO  - 10.1139/b95-210
UR  - https://pubs.usgs.gov/publication/1003204
ID  - 1003204
ER  -