@misc{indiciae6cdcd321e6aa,
  title = {Photosynthesis in quillworts, or why are some aquatic plants similar to cactus?},
  author = {Jon E. Keeley},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/1017355},
  note = {Source identifier: 1017355}
}