@misc{indiciae413aee747e64,
  title = {How to know the grasses; pictured-keys for determining the common and important American grasses, with suggestions and aids for their study — Illustration, Page 42},
  year = {1954},
  url = {https://www.biodiversitylibrary.org/page/3642004},
  note = {Source identifier: page-3642004}
}