The Identity of Archaeopteris and Callixylon

A Rapid Cellulose Peel Technique in Palaeobotany

1956 • 340 citations

Studies in fossil botany

2010 • 212 citations

Handbuch der Paläobotanik

1927 • 140 citations

An Introduction to Paleobotany

2011 • 120 citations

Description of the coal flora of the Carboniferous formation in Pennsylvania and throughout the United States ...

1879 • 105 citations

Morphology of Gymnosperms

1917 • 101 citations

TETRAXYLOPTERIS SCHMIDTII GEN. ET SP. NOV., A PROBABLE PTERIDOSPERM PRECURSOR FROM THE DEVONIAN OF NEW YORK

1957 • 84 citations

The Downtonian and Devonian flora of Spitsbergen

1942 • 68 citations

Connection between Archaeopteris and Callixylon

1960 • 64 citations

Classification of Gymnosperms from the Viewpoint of Paleobotany

1948 • 51 citations

The Structure and Origin of the Cycadaceae

1906 • 49 citations

IX. On fossil plants, showing structure, from the base of the waverley shale of Kentucky

1914 • 47 citations

Phylogenetic principles of the system of higher plants

1953 • 46 citations

XV.—On Protopitys (Göppert): with a Description of a Fertile Specimen Protopitys scotica sp. nov. From the Calciferous Sandstone Series of Dunbartonshire.

1958 • 41 citations

On the Stelar Anatomy of the Pteridosperms with Particular Reference to the Secondary Wood

1940 • 40 citations

STRUCTURE AND RELATIONSHIPS OF SOME MIDDLE DEVONIAN PLANTS FROM WESTERN NEW YORK

1940 • 37 citations

Observations on Fossil Plants from the Devonian of Eastern North America. IV. Plant Remains from the Catskill Delta Deposits of Northern Pennsylvania and Southern New York

1939 • 37 citations

A New Pteridosperm from Upper Pennsylvanian Deposits of North America

1954 • 29 citations

X. On the microsporangia of the pteridospermeæ, with remarks on their relationship to existing groups

1906 • 25 citations

Étude morphologique et anatomique d'une fougère du Dévonien supérieur : le Rhacophyton zygopteroides nov. sp.

1951 • 24 citations

A NEW ROOT SPECIES OF CALLIXYLON

1953 • 24 citations

The flora of the New Albany shale; Part 2, The Calamopityeae and their relationships

1937 • 23 citations

Zur oberdevonischen flora der Bären-Insel

1902 • 20 citations

A Technique for Obtaining Polished Surfaces of Sections of Pyritized Plant Fossils

1955 • 11 citations

The Classification of Vascular Plants

1917 • 6 citations

Observations on Fossil Plants from the Devonian of Eastern North America. I. Plant Remains from Scaumenac Bay, Quebec

1936 • 5 citations

Observations on Fossil Plants from the Devonian of Eastern North America. II. Archaeopteris macilenta and A. sphenophyllifolia of Lesquereux

1936 • 5 citations

Evolution and Classification of Gymnosperms: A Symposium

1948 • 2 citations