A fossil flower
Series: Field Museum of Natural History. Dept. of Botany. Leaflet -- no. 5; Fieldiana, Popular series, Botany -- no. 5; Leaflet (Field Museum of Natural History. Dept. of Botany) -- no. 5
Publisher: Field Museum of Natural History
Published: 1924
Place of publication: Chicago
Subjects: Cycadaceae, Fossil.; Fossils; Plants; Flowers; Fossielen.; Planten.; Bloemen.