TY  - RPRT
TI  - Non-genetic origin of isoenzymic variability in subterranean turions of monoecious and dioecious hydrilla
AU  - F.J. Ryan
AU  - Joan S. Thullen
AU  - D.L. Holmberg
PY  - 1991
UR  - https://pubs.usgs.gov/publication/70126198
ID  - 70126198
ER  -