@misc{indiciae3f40c5240dc6,
  title = {Population differentiation along a flood frequency gradient: Physiological adaptations to flooding in Nyssa sylvatica},
  author = {Jon E. Keeley},
  year = {1979},
  doi = {10.2307/1942574},
  url = {https://pubs.usgs.gov/publication/1007420},
  note = {Source identifier: 1007420}
}