| # | Title | Journal | Year | Citations |
|---|
| 1 | Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL | Annals of the Missouri Botanical Garden | 1993 | 1,708 |
| 2 | The its Region of Nuclear Ribosomal DNA: A Valuable Source of Evidence on Angiosperm Phylogeny | Annals of the Missouri Botanical Garden | 1995 | 1,471 |
| 3 | Changes in Plant Community Diversity and Floristic Composition on Environmental and Geographical Gradients | Annals of the Missouri Botanical Garden | 1988 | 1,301 |
| 4 | An Ordinal Classification for the Families of Flowering Plants | Annals of the Missouri Botanical Garden | 1998 | 1,129 |
| 5 | Angiosperm Biogeography and Past Continental Movements | Annals of the Missouri Botanical Garden | 1974 | 1,090 |
| 6 | The Global 200: Priority Ecoregions for Global Conservation | Annals of the Missouri Botanical Garden | 2002 | 1,023 |
| 7 | Hot-Spots Analysis for Conservation of Plant Biodiversity in the Mediterranean Basin | Annals of the Missouri Botanical Garden | 1997 | 749 |
| 8 | Neotropical Floristic Diversity: Phytogeographical Connections Between Central and South America, Pleistocene Climatic Fluctuations, or an Accident of the Andean Orogeny? | Annals of the Missouri Botanical Garden | 1982 | 717 |
| 9 | Phylogeny and Subfamilial Classification of the Grasses (Poaceae) | Annals of the Missouri Botanical Garden | 2001 | 630 |
| 10 | Patterns of Species Distributions in the Dry Seasonal Forests of South America | Annals of the Missouri Botanical Garden | 1993 | 622 |
| 11 | Phylogenetic Relationships of Dipsacales Based on rbcL Sequences | Annals of the Missouri Botanical Garden | 1992 | 592 |
| 12 | The Evolution of Non-Coding Chloroplast DNA and Its Application in Plant Systematics | Annals of the Missouri Botanical Garden | 2000 | 574 |
| 13 | Diversity and Biogeography of Neotropical Vascular Epiphytes | Annals of the Missouri Botanical Garden | 1987 | 555 |
| 14 | The Origin of Grass-Dominated Ecosystems | Annals of the Missouri Botanical Garden | 1999 | 500 |
| 15 | Phylogenetic Analysis of Seed Plants and the Origin of Angiosperms | Annals of the Missouri Botanical Garden | 1985 | 499 |
| 16 | Some Aspects of Plant Geography of the Northern Hemisphere During the Late Cretaceous and Tertiary | Annals of the Missouri Botanical Garden | 1975 | 493 |
| 17 | Biogeography of the Bees | Annals of the Missouri Botanical Garden | 1979 | 475 |
| 18 | Chloroplast DNA Variation and Plant Phylogeny | Annals of the Missouri Botanical Garden | 1988 | 475 |
| 19 | Biogeographical Relationships of North American Tertiary Floras | Annals of the Missouri Botanical Garden | 1999 | 438 |
| 20 | The Bases of Angiosperm Phylogeny: Palynology | Annals of the Missouri Botanical Garden | 1975 | 396 |
| 21 | Monophyly of the Asteridae and Identification of Their Major Lineages Inferred From DNA Sequences of rbcL | Annals of the Missouri Botanical Garden | 1992 | 389 |
| 22 | The Bases of Angiosperm Phylogeny: Vegetative Morphology | Annals of the Missouri Botanical Garden | 1975 | 381 |
| 23 | Evolution and Biogeography of Madrean-Tethyan Sclerophyll Vegetation | Annals of the Missouri Botanical Garden | 1975 | 375 |
| 24 | Synopsis of the Genera and Suprageneric Taxa of Euphorbiaceae | Annals of the Missouri Botanical Garden | 1994 | 367 |
| 25 | Phylogeny and Historical Biogeography of Lauraceae: Evidence from the Chloroplast and Nuclear Genomes | Annals of the Missouri Botanical Garden | 2001 | 367 |
| 26 | Angiosperm Phylogeny Inferred from 18S Ribosomal DNA Sequences | Annals of the Missouri Botanical Garden | 1997 | 365 |
| 27 | Polyploidy, Hybridization, and the Invasion of New Habitats | Annals of the Missouri Botanical Garden | 1985 | 364 |
| 28 | Phylogenetic Inference in Saxifragaceae Sensu Stricto and Gilia (Polemoniaceae) Using matK Sequences | Annals of the Missouri Botanical Garden | 1995 | 360 |
| 29 | Plant Diversity of the Cape Region of Southern Africa | Annals of the Missouri Botanical Garden | 2002 | 350 |
| 30 | The Nature of Limits to Natural Selection | Annals of the Missouri Botanical Garden | 1976 | 345 |
| 31 | An Analysis of the Flora of Southern Africa: Its Characteristics, Relationships, and Orgins | Annals of the Missouri Botanical Garden | 1978 | 340 |
| 32 | The Co-Radiations of Pollinating Insects and Angiosperms in the Cretaceous | Annals of the Missouri Botanical Garden | 1999 | 318 |
| 33 | Phylogenetic Pattern, Diversity, and Diversification of Eudicots | Annals of the Missouri Botanical Garden | 1999 | 317 |
| 34 | A Parsimony Analysis of the Asteridae Sensu Lato Based on rbcL Sequences | Annals of the Missouri Botanical Garden | 1993 | 315 |
| 35 | Electrophoretic Evidence and Plant Systematics | Annals of the Missouri Botanical Garden | 1977 | 311 |
| 36 | Dispersal Versus Gene Flow in Plants | Annals of the Missouri Botanical Garden | 1981 | 306 |
| 37 | Quaternary History of Deciduous Forests of Eastern North America and Europe | Annals of the Missouri Botanical Garden | 1983 | 298 |
| 38 | The Genetic Consequences of Habitat Fragmentation | Annals of the Missouri Botanical Garden | 1990 | 296 |
| 39 | Coevolution of Grasses and Herbivores | Annals of the Missouri Botanical Garden | 1981 | 295 |
| 40 | A Reevaluation of Seed Plant Phylogeny | Annals of the Missouri Botanical Garden | 1994 | 295 |
| 41 | Yuccas, Yucca Moths, and Coevolution: A Review | Annals of the Missouri Botanical Garden | 2003 | 291 |
| 42 | The Bases of Angiosperm Phylogeny: Cytology | Annals of the Missouri Botanical Garden | 1975 | 278 |
| 43 | The North American Species of Asclepias L. | Annals of the Missouri Botanical Garden | 1954 | 277 |
| 44 | The Phylogenetic Taxonomy of Flowering Plants | Annals of the Missouri Botanical Garden | 1915 | 273 |
| 45 | The Grain Amaranths and Their Relatives: A Revised Taxonomic and Geographic Survey | Annals of the Missouri Botanical Garden | 1967 | 273 |
| 46 | Evidence for the Polyphyly of the Scrophulariaceae Based on Chloroplast rbcL and ndhF Sequences | Annals of the Missouri Botanical Garden | 1995 | 273 |
| 47 | Evolution of Sexual Systems in Flowering Plants | Annals of the Missouri Botanical Garden | 1981 | 267 |
| 48 | The History of Neotropical Vegetation: New Developments and Status | Annals of the Missouri Botanical Garden | 1999 | 265 |
| 49 | Graminoid Responses to Grazing by Large Herbivores: Adaptations, Exaptations, and Interacting Processes | Annals of the Missouri Botanical Garden | 1985 | 264 |
| 50 | Management of Habitat Fragments in a Tropical Dry Forest: Growth | Annals of the Missouri Botanical Garden | 1988 | 253 |
