A remarkable fossil Selaginella with preserved female gametophytes
By: by William C. Darrah
Series: Botanical Museum Leaflets, Harvard University -- Vol. 6, no. 6
Publisher: Botanical Museum of Harvard University
Published: 1938
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 136
Subjects: Selaginella; Paleobotany; Fossil Plants
Notes: Caption title.

Includes bibliographical references (page 136).