ABSOLUTE DIVERSIFICATION RATES IN ANGIOSPERM CLADES

The Theory of Branching Processes

1965 • 2,582 citations

An Ordinal Classification for the Families of Flowering Plants

1998 • 1,439 citations

Flowering Plants of the World

1978 • 1,398 citations

Angiosperm phylogeny inferred from 18S rDNA, rbcL, and atpB sequences

2000 • 1,198 citations

The Families of the Monocotyledons

1985 • 1,136 citations

Fossil pollen records of extant angiosperms

1981 • 1,047 citations

Diversity and classification of flowering plants

1997 • 906 citations

On the Generalized "Birth-and-Death" Process

1948 • 857 citations

The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes

1999 • 835 citations

The reconstructed evolutionary process

1994 • 835 citations

Angiosperm phylogeny inferred from multiple genes as a tool for comparative biology

1999 • 809 citations

Monocotyledons: Systematics and Evolution.

1996 • 690 citations

Geologic Time Scale

1961 • 682 citations

An Introduction to Probability Theory and Mathematical Statistics.

1978 • 681 citations

Age and rate of diversification of the Hawaiian silversword alliance (Compositae)

1998 • 675 citations

A Triassic, Jurassic and Cretaceous Time Scale

1995 • 588 citations

Origin and Early Evolution of Angiosperms.

1976 • 568 citations

The Theory of Branching Processes.

1964 • 546 citations

Phylogenetics of Flowering Plants Based on Combined Analysis of Plastid atpB and rbcL Gene Sequences

2000 • 544 citations

Biogeographical Relationships of North American Tertiary Floras

1999 • 506 citations

The Elements of Stochastic Processes with Applications to the Natural Sciences.

1965 • 472 citations

Systematics and the Fossil Record

1994 • 447 citations

Flowering Plants of the World

1994 • 441 citations

The Root of Angiosperm Phylogeny Inferred from Duplicate Phytochrome Genes

1999 • 439 citations

An Introduction to Probability Theory and Mathematical Statistics.

1976 • 436 citations

Experimental and Molecular Approaches to Plant Biosystematics

1997 • 424 citations

Angiosperm Phylogeny Inferred from 18S Ribosomal DNA Sequences

1997 • 424 citations

Escalation of Plant Defense: Do Latex and Resin Canals Spur Plant Diversification?

1991 • 400 citations

A kinetic model of Phanerozoic taxonomic diversity II. Early Phanerozoic families and multiple equilibria

1979 • 379 citations

Phylogenetic Pattern, Diversity, and Diversification of Eudicots

1999 • 362 citations

A phylogenetic analysis of the Orchidaceae: evidence from rbcL nucleotide.

1999 • 320 citations

Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon

1994 • 319 citations

Evolutionary and Preservational Constraints on Origins of Biologic Groups: Divergence Times of Eutherian Mammals

1999 • 319 citations

Pollen and leaves from the Mid-Cretaceous Potomac group and their bearing on early angiosperm evolution

1976 • 291 citations

New Zealand mesozoic and cainozoic plant microfossils

1960 • 286 citations

A phylogenetic analysis of the Orchidaceae: evidence from rbcL nucleotide sequences

1999 • 276 citations

Phanerozoic Diversity Patterns

1986 • 273 citations

Shifts in Diversification Rate with the Origin of Angiosperms

1994 • 264 citations

Mathematical models of cladogenesis

1985 • 263 citations

PHYLOGENETIC ANALYSIS OF TRAIT EVOLUTION AND SPECIES DIVERSITY VARIATION AMONG ANGIOSPERM FAMILIES

1999 • 261 citations

Phylogenies and angiosperm diversification

1993 • 260 citations

Paleogene floras from the Gulf of Alaska region

1977 • 253 citations

Early Angiosperm Diversification: The Diversity of Pollen Associated with Angiosperm Reproductive Structures in Early Cretaceous Floras from Portugal

1999 • 250 citations

Archaenthus: An Early Angiosperm From the Cenomanian of the Western Interior of North America

1984 • 227 citations

Lower Species Richness in Dioecious Clades

2000 • 219 citations

Fossil evidence of water lilies (Nymphaeales) in the Early Cretaceous

2001 • 219 citations

Testing Whether Certain Traits have Caused Amplified Diversification: An Improved Method Based on a Model of Random Speciation and Extinction

1993 • 216 citations

Phylogeny of Basal Eudicots Based on Three Molecular Data Sets: atpB, rbcL, and 18s Nuclear Ribosomal DNA Sequences

1999 • 212 citations

Quantitative analyses of the early angiosperm radiation

1988 • 206 citations

Comparing palynological abundance and diversity: implications for biotic replacement during the Cretaceous angiosperm radiation

1999 • 205 citations

Evidence for the Earliest Stage of Angiosperm Pollen Evolution: A Paleoequatorial Section from Israel

2007 • 203 citations

SPECIES RICHNESS WITHIN FAMILIES OF FLOWERING PLANTS

1994 • 201 citations

Systematics and the Fossil Record

1995 • 196 citations

Circumscription and phylogeny of the Laurales: evidence from molecular and morphological data

1999 • 195 citations

Testing the Stochasticity of Patterns of Organismal Diversity: An Improved Null Model

1989 • 195 citations

Reconstructing shifts in diversification rates on phylogenetic trees

1996 • 194 citations

The Power of Relative Rates Tests Depends on the Data

2000 • 170 citations

POLLINATION SYSTEMS, DISPERSAL MODES, LIFE FORMS, AND DIVERSIFICATION RATES IN ANGIOSPERM FAMILIES

1992 • 164 citations

Rates of evolution in seed plants: Net increase in diversity of chromosome numbers and species numbers through time

1976 • 164 citations

Lauraceous Flowers from the Potomac Group (Mid-Cretaceous) of Eastern North America

1990 • 156 citations

Early Cretaceous (Early to Middle Albian) Platanoid Inflorescences Associated with Sapindopsis Leaves from the Potomac Group of Eastern North America

1993 • 149 citations

Diversification Rates in a Temperate Legume Clade: Are there "So Many Species" of Astragalus (Fabaceae)

1996 • 146 citations

DIE FLOREN DER HASELBACHER SERIE IM WEISSELSTER-BECKEN (BEZIRK LEIPZIG, DDR)

1978 • 141 citations

A review of the fossil record of monocotyledons

1981 • 141 citations

Angiosperm floral structures from the Early Cretaceous of Portugal

1994 • 140 citations

Fossil Clusiaceae from the Late Cretaceous (Turonian) of New Jersey and implications regarding the history of bee pollination

1998 • 135 citations

The Lower Tertiary floras of southern England

1962 • 130 citations

The Elements of Stochastic Processes with Applications to the Natural Sciences.

1965 • 128 citations

Angiosperm growth habit, dispersal and diversification reconsidered

1995 • 125 citations

Phylogenetic Analysis of Trait Evolution and Species Diversity Variation among Angiosperm Families

1999 • 119 citations

LATE CRETACEOUS FOSSIL FLOWERS OF ERICALEAN AFFINITY

1993 • 115 citations

The Evolutionary History of the Poales/Restionales: A Hypothesis

1987 • 113 citations

Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America

1994 • 111 citations

Species Richness Within Families of Flowering Plants

1994 • 110 citations

Rate of rbc L gene sequence evolution and species diversification in flowering plants (angiosperms)

1996 • 106 citations

Paleobotanical evidence on the early radiation of nonmagnoliid dicotyledons

1989 • 105 citations

Angiosperms of the Northern Rocky Mountains: Albian to Campanian (Cretaceous) Megafossil Floras

1987 • 104 citations

INFERRING THE RATES OF BRANCHING AND EXTINCTION FROM MOLECULAR PHYLOGENIES

1995 • 104 citations

Diversification of early angiosperm pollen in a cladistic context

1991 • 102 citations

Taxonomic evolution in North American Neogene horses (subfamily Equinae): the rise and fall of an adaptive radiation

1993 • 100 citations

ANGIOSPERM FLOWERS AND TRICOLPATE POLLEN OF BUXACEOUS AFFINITY FROM THE POTOMAC GROUP (MID‐CRETACEOUS) OF EASTERN NORTH AMERICA

1991 • 99 citations

Vegetative and Reproductive Morphology of an Extinct Plane Tree (Platanaceae) from the Eocene of Western North America

1986 • 98 citations

Palaeobotanical evidence on the early radiation of magnoliid angiosperms

1994 • 93 citations

The Megaflora from the Quantico Locality (Upper Albian), Lower Cretaceous Potomac Group of Virginia

1994 • 90 citations

Entwicklung der Wasser- und Sumpfpflanzen-Gesellschaften Europas von der Kreide bis ins Quartär11)Herrn Prof. Dr. H. Meusel zum 75. Geburtstag gewidmet

1985 • 89 citations

A NEW FOSSIL FLOWER FROM THE TURONIAN OF New Jersey: Dressiantha bicarpellata gen. et sp. nov. (Capparales)

1998 • 88 citations

Paleobotanical evidence on the early radiation of nonmagnoliid dicotyledons

1989 • 88 citations

Untersuchungen zur Systematik der Blattreste aus dem - Mitteleozän der Grube Messel bei Darmstadt - (Hessen, Bundesrepublik Deutschland)

1989 • 82 citations

Investigations of angiosperms from the Eocene of southeastern North America: samaras of Fraxinus wilcoxiana Berry

1992 • 82 citations

Reproductive structures of an extinct platanoid from the early Cretaceous (latest Albian) of eastern North America

1994 • 77 citations

The fossil history of the monocotyledons

1995 • 74 citations

Oldest known fossils of monocotyledons

1998 • 71 citations

Diversification rates in a temperate legume clade: Are there “so many species” of Astragalus (Fabaceae)?

1996 • 70 citations

EARLY CRETACEOUS TETRADS, ZONASULCULATE POLLEN, AND WINTERACEAE. I. TAXONOMY, MORPHOLOGY, AND ULTRASTRUCTURE

1990 • 70 citations

Magnoliid reproductive organs from the Cenomanian-Turonian of north-western Kazakhstan:Magnoliaceae andIlliciaceae

1999 • 69 citations

Quadriplatanus georgianus Gen. et Sp. Nov.: Staminate and Pistillate Platanaceous Flowers from the Late Cretaceous (Coniacian-Santonian) of Georgia, U.S.A.

1997 • 67 citations

Paleobotany, Relationships, and Geographic History of Winteraceae

2000 • 67 citations

The fossil record of Eucommia (Eucommiaceae) in North America

1997 • 67 citations

Pollination Systems, Dispersal Modes, Life Forms, and Diversification Rates in Angiosperm Families

1992 • 65 citations

EARLY CRETACEOUS TETRADS, ZONASULCULATE POLLEN, AND WINTERACEAE. II. CLADISTIC ANALYSIS AND IMPLICATIONS

1990 • 60 citations

Cretaceous floras containing angiosperm flowers and fruits from eastern North America

1996 • 60 citations

MORPHOLOGICAL DIVERSIFICATION AND ADAPTIVE RADIATION: A COMPARISON OF TWO DIVERSE LIZARD CLADES

1999 • 57 citations

Stratigraphic distribution of some pollen types from the Campanian and lower Maestrichtian rocks (Upper Cretaceous) of the Middle Atlantic States

1976 • 56 citations

FOSSIL CERATOPHYLLUM (CERATOPHYLLACEAE) FROM THE TERTIARY OF NORTH AMERICA

1990 • 56 citations

Fossil flowers and fruits of the Actinidiaceae from the Campanian (Late Cretaceous) of Georgia

1996 • 55 citations

The Early History of the Proteaceae in Australia: the Pollen Record

1998 • 53 citations

Inferring the Rates of Branching and Extinction from Molecular Phylogenies

1995 • 53 citations

The improbability of animal phyla with few species

1983 • 53 citations

TROPICAL AMERICAN TERTIARY FLORAS AND PALEOENVIRONMENTS: MEXICO, COSTA RICA, AND PANAMA

1987 • 52 citations

Winged Fruits of Linnaeeae (Caprifoliaceae) in the Tertiary of Western North America: Diplodipelta gen. nov.

1995 • 52 citations

Platanaceous plants from the Paleocene of Alberta, Canada

1991 • 51 citations

FIRST FOSSIL EVIDENCE FOR THE PRIMITIVE ANGIOSPERM FAMILY LACTORIDACEAE

1987 • 50 citations

Tylerianthus crossmanensis gen. et SP. NOV. (aff. Hydrangeaceae) from the Upper Cretaceous of New Jersey

1998 • 49 citations

Late Cretaceous Fossil Flowers of Ericalean Affinity

1993 • 48 citations

Exploiting wild population diversity and somaclonal variation in the salt marsh grass Distichlis spicata (Poaceae) for marsh creation and restoration

2000 • 47 citations

Phylogenetics of Flowering Plants Based on Combined Analysis of Plastid atpB and rbcL Gene Sequences

2000 • 45 citations

Paleorosa similkameenensis, gen. et sp. nov., permineralized flowers (Rosaceae) from the Eocene of British Columbia

1976 • 45 citations

Lower Species Richness in Dioecious Clades

2000 • 44 citations

Allonia decandra: Floral remains of the tribeHamamelideae (Hamamelidaceae) from Campanian strata of southeastern USA

1996 • 42 citations

Angiosperm Flowers and Tricolpate Pollen of Buxaceous Affinity from the Potomac Group (Mid-Cretaceous) of Eastern North America

1991 • 41 citations

Androdecidua endressiigen. et sp. nov., from the Late Cretaceous of Georgia (United States): Further Floral Diversity in Hamamelidoideae (Hamamelidaceae)

2001 • 36 citations

Early Cretaceous Tetrads, Zonasulculate Pollen, and Winteraceae. II. Cladistic Analysis and Implications

1990 • 33 citations

The evolution and distribution of normapolles pollen during the cenophytic

1981 • 33 citations

The Estimation of the Parameters of a Birth and Death Process

1953 • 33 citations

Esgueiria futabensis sp. nov., a new angiosperm flower from the Upper Cretaceous (lower Coniacian) of northeastern Honshu, Japan.

1999 • 32 citations

Leaves of Eucryphia (Eucryphiaceae) from tertiary sediments in south-eastern Australia

1991 • 30 citations

Does Cladistic Information Affect Inferences about Branching Rates?

1993 • 30 citations

Fossil pollen records of the problematical primitive angiosperm familyLactoridaceae in Australia

1999 • 28 citations

Fossil Flowers and Fruits of the Actinidiaceae from the Campanian (Late Cretaceous) of Georgia

1996 • 26 citations

Some maestrichtian palynomorphs and their phytogeographical and paleoecological implications

1978 • 24 citations

The Lower Tertiary Floras of Southern England

1964 • 24 citations

Morphological Diversification and Adaptive Radiation: A Comparison of Two Diverse Lizard Clades

1999 • 23 citations

Tropical American Tertiary Floras and Paleoenvironments: Mexico, Costa Rica, and Panama

1987 • 21 citations

Further observations on Paleorosa similkameenensis (Rosaceae) from the Middle Eocene Princeton chert of British Columbia, Canada

1993 • 20 citations

First Fossil Evidence for the Primitive Angiosperm Family Lactoridaceae

1987 • 18 citations

Is there a characteristic rate of radiation for the insects?

1983 • 17 citations

An extinct species of Pollia Thunberg (Commelinaceae) from the Miocene Ngorora Formation, Kenya

1989 • 17 citations

Analyse quantitative des palynoflores du Campanien de Sedano, Espagne

1987 • 16 citations

Fossil Ceratophyllum (Ceratophyllaceae) from the Tertiary of North America

1990 • 15 citations

Pollen morphology of Eidotheoideae: Implications for phylogeny in the Proteaceae

1998 • 13 citations

Early caesalpinioid fruits from the Palaeogene of southern England

1992 • 9 citations

Deleted Work

1955 • 0 citations