Palynological evidence of floristic change across the Cretaceous-Tertiary boundary in Eastern Montana (U.S.A.)

LATITUDINAL VARIATIONS IN ORGANIC DIVERSITY

1960 • 787 citations

Latitudinal Variations in Organic Diversity

1960 • 308 citations

Paleocene flora of the Rocky Mountains and Great Plains

1962 • 247 citations

Paleocene flora of the Rocky Mountains andGreat Plains.

1962 • 177 citations

Lower upper cretaceous plant microfossils from Minnesota

1961 • 168 citations

ORIGIN OF DECIDUOUS AND EVERGREEN HABITS IN TEMPERATE FORESTS

1966 • 148 citations

Miocene floras of the Columbia Plateau

1959 • 84 citations

Origin of Deciduous and Evergreen Habits in Temperate Forests

1966 • 69 citations

Upper Cretaceous floras of the Rocky mountain region

1942 • 36 citations

TERTIARY STRATA IN EASTERN MONTANA AND WESTERN NORTH AND SOUTH DAKOTA

1952 • 33 citations

Age and environment; a survey of North American Tertiary floras in relation to paleoecology

1951 • 27 citations

Palynology, Paleofloras and Paleoenvironments

1961 • 11 citations