Archaeosperma arnoldii-A Cupulate Seed from the Upper Devonian of North America

ARCHAEOPTERIS MACILENTA, ANATOMY AND MORPHOLOGY OF ITS FROND

1966 • 72 citations

TETRAXYLOPTERIS SCHMIDTII: ITS FERTILE PARTS AND ITS RELATIONSHIPS WITHIN THE ANEUROPHYTALES

1967 • 62 citations

Telangium Scotti, a new Species of Telangium (Calymmatotheca) showing Structure

1904 • 58 citations

Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia

1955 • 37 citations

Evolution of the seed habit in plants

1927 • 25 citations

Seed from the Upper Devonian

1967 • 15 citations

On Seedlike Structures Associated with Archaeopteris from the Upper Devonian of Northern Pennsylvania

1935 • 8 citations