Some fossil plant types of Illinois

a restudy of the Lesquereux types in the Wothern collection of the Illinois State Museum, augmented by descriptions of new species from Mazon Creek

Verfasser / Beitragende:
Raymond E. Janssen
Ort, Verlag, Jahr:
Chicago : Univiversity of Chicago Library, 1940
Beschreibung:
124 p. : ill.
Format:
Buch
ID: 426316711