IDANOTHEKION GEN. N., A SYNANGIATE POLLEN ORGAN WITH SACCATE POLLEN FROM THE MIDDLE PENNSYLVANIAN OF ILLINOIS

The Yorkshire Jurassic flora

1961 • 505 citations

An annotated synopsis of paleozoic fossil spores : and the definition of generic groups /

1944 • 228 citations

Pollen and spore morphology/plant taxonomy

1957 • 158 citations

VII. On some pteridospermous plants from the Mesozoic rocks of South Africa

1932 • 125 citations

Some American Carboniferous Fern Fructifications

1950 • 94 citations

Die fossile Flora der Permischen Formation

1864 • 92 citations

The structure of certain fossil spore-bearing organs believed to belong to pteridosperms

1933 • 69 citations

Pteridosperm Male Fructifications: American Species of Dolerotheca, with Notes Regarding Certain Allied Forms

2017 • 67 citations

Spores in strata of late Pennsylvanian cyclothems in the Illinois Basin /

1964 • 61 citations

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

1904 • 58 citations

Pennsylvanian Flora of Illinois as Revealed in Coal Balls. I

1934 • 58 citations

The "Fern ledges", Carboniferous flora of St. John, New Brunswick

1914 • 42 citations

On Some Disaccate Pollen Grains of Permian to Middle Jurassic Age

1962 • 36 citations

On Pteruchus a Microsporophyll of the Corystospermaceae

1962 • 36 citations

The Characteristic Plant Microfossils of the Pittsburgh and Pomeroy Coals of Ohio

1943 • 35 citations

Codonotheca, a new type of spore-bearing organ from the Coal Measures

1903 • 29 citations

On the occurrence of winged spores in the Lower Gondwana rocks of India and Australia

1937 • 24 citations

Geminitheca scotica gen. et sp. nov. : a Pteridosperm from the Lower Carboniferous of Dunbartonshire

1959 • 22 citations

A probable pteridosperm microsporangiate fructification from the Pennsylvanian of Illinois

1964 • 20 citations

XXXI.—The Fossil Plants of the Carboniferous Rocks of Canonbie, Dumfriesshire, and of Parts of Cumberland and Northumberland

1905 • 19 citations

I.—On a “Fern” Synangium, from the Lower Coal Measures of Shore, Lancashire

1906 • 14 citations

Heterotheca Grievii the Microsporange of Heterangium Grievii

1922 • 14 citations