TY  - ART
TI  - George Engelmann : botanical notebook 9 : Echinocereus, Cereus, Eulychnia, Pilocereus — Illustration, [No.] 2131 2
PY  - 1869
UR  - https://www.biodiversitylibrary.org/page/56133147
ID  - page-56133147
ER  -