TY - JOUR T1 - Lauraceous flowers from the Potomac-group (Mid-Cretaceous) of eastern North America JF - Botanical Gazette Y1 - 1990 A1 - Drinnan, A.N. A1 - Peter R. Crane A1 - Friis, E.M. A1 - Pedersen, K.R. SP - 370 EP - 384 VL - 151 ER -