TY  - ART
TI  - George Engelmann : botanical notebook 9 : Echinocereus, Cereus, Eulychnia, Pilocereus — Illustration, [No.] 2106
PY  - 1869
UR  - https://www.biodiversitylibrary.org/page/56134345
ID  - page-56134345
ER  -