Abbreviated record for specimen 14758 Basic Information Determination: Ptychocarpus unitus (Brongniart) Zeiller var. undulatus Janssen Previously: none Type Status: cotype Figured In: Darrah, 1969, p. 143Janssen, 1940, p. 96-97, pl. XXVII, fig. 1 Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, 144.1KB)large (600 dpi, image not available) Catalog Data: show full record