Comparative ultrastructure of fossil gymnosperm pollen and implications regarding the origin of angiosperms /

Bibliographic Details
Main Author: Osborn, Jeffrey Mark
Language:English
Published: The Ohio State University / OhioLINK 1991
Subjects:
Online Access:http://rave.ohiolink.edu/etdc/view?acc_num=osu1487757723994964
Description
Description not available.