@misc{indiciae195c41560fd5,
  title = {An annotated key to the identification of commonly occurring and dominant genera of algae observed in the phytoplankton of the United States},
  author = {Phillip E. Greeson},
  year = {1982},
  doi = {10.3133/wsp2079},
  url = {https://pubs.usgs.gov/publication/wsp2079},
  note = {Source identifier: wsp2079}
}