@misc{indiciae73347682c2ad,
  title = {Carbon assimilation characteristics of the aquatic CAM plant Isoetes howellii},
  author = {Jon E. Keeley and G. Busch},
  year = {1984},
  doi = {10.1104/pp.76.2.525},
  url = {https://pubs.usgs.gov/publication/1007700},
  note = {Source identifier: 1007700}
}