TY - BOOK TI - Publication. Field Columbian Museum Botanical series VL - v.2:no.4 (1907) UR - https://www.biodiversitylibrary.org/item/19782 PB - Field Columbian Museum CY - Chicago PY - 1907 SN - 0894-8364 AU - Field Columbian Museum. KW - America KW - Botany KW - Classification KW - Plants ER -