@misc{indiciae6de5d90a8dd2,
  title = {George Engelmann : botanical notebook 39 : Yucca (Agavaceae) — Illustration, [No.] 8698A / [No.] 8698B},
  url = {https://www.biodiversitylibrary.org/page/56081030},
  note = {Source identifier: page-56081030}
}