00670cam a22002291 4500 cd 30000010 DLC 20260227111146.0 800603s1924 iluaf 000 0 eng cd 30000010 (OCoLC)6382761 DLC ICD DLC premarc QK1 .F43 no. 5 Dahlgren, Bror Eric, 1877-1961. A fossil flower. Chicago, Field museum of natural history, 1924. cover-title, 16 p. illus., pl. 22 cm. Field museum of natural history. Botany leaflet 5 Signed: B. E. Dahlgren. Cycadaceae, Fossil. 18467 18467