PATTERNS OF MATING IN WILD SUNFLOWER HYBRID ZONES

AFLP: a new technique for DNA fingerprinting

1995 • 12,637 citations

Genetics and the Origin of Species

1952 • 4,122 citations

Population Genetic Consequences of Small Population Size: Implications for Plant Conservation

1993 • 2,468 citations

Plant Breeding Systems

1997 • 1,877 citations

Natural hybridization and evolution

1997 • 1,818 citations

Plant Speciation

1981 • 1,645 citations

Starch Gel Electrophoresis of Ferns: A Compilation of Grinding Buffers, Gel and Electrode Buffers, and Staining Schedules

1983 • 1,449 citations

Incompatibility in Angiosperms

1977 • 1,347 citations

Hybrid Origins of Plant Species

1997 • 1,239 citations

Mathematica: A system for doing mathematics by computer?

2005 • 1,229 citations

Introgressive hybridization

1949 • 792 citations

Plant Breeding Systems.

1987 • 754 citations

Mechanisms of Speciation - A Population Genetic Approach

1981 • 708 citations

Documentation of reticulate evolution in peonies (Paeonia) using internal transcribed spacer sequences of nuclear ribosomal DNA: implications for biogeography and concerted evolution.

1995 • 622 citations

Genetic Revolutions in Relation to Speciation Phenomena: The Founding of New Populations

1984 • 612 citations

Role of Gene Interactions in Hybrid Speciation: Evidence from Ancient and Experimental Hybrids

1996 • 458 citations

Hybrid speciation accompanied by genomic reorganization in wild sunflowers

1995 • 367 citations

A Series of FORTRAN Computer Programs for Estimating Plant Mating Systems

1990 • 367 citations

HOMOPLOID RETICULATE EVOLUTION IN HELIANTHUS (ASTERACEAE): EVIDENCE FROM RIBOSOMAL GENES

1991 • 332 citations

The Regulation of Recombination in Plants

1958 • 324 citations

SPECIATION AND ITS CONSEQUENCES

1990 • 319 citations

The North American sunflowers (Helianthus)

1969 • 261 citations

Genetic analysis of an interspecific hybrid swarm of Populus: occurrence of unidirectional introgression.

1989 • 255 citations

Phenotypic and Genetic Effects of Hybridization in Darwin's Finches

1994 • 231 citations

ECOLOGICAL AND GENETIC ASSOCIATIONS IN AN IRIS HYBRID ZONE

1993 • 218 citations

Introgression re-examined

1973 • 208 citations

GENETICS AND THE ORIGIN OF SPECIES

1942 • 208 citations

MATING SYSTEM AND ASYMMETRIC HYBRIDIZATION IN A MIXED STAND OF EUROPEAN OAKS

1996 • 201 citations

The Evolutionary Significance of Pseudo-Self-Fertility

1996 • 200 citations

Molecular Tests of the Hypothesized Hybrid Origin of Two Diploid Helianthus Species (Asteraceae)

1990 • 196 citations

Speciation in Flowering Plants

1966 • 183 citations

Phylogenetic and Systematic Inferences from Chloroplast DNA and Isozyme Variation in Helianthus sect. Helianthus (Asteraceae)

1991 • 166 citations

Plant breeding studies in leguminous forage crops I. Natural cross-breeding in winter beans

1951 • 165 citations

HYBRIDIZATION BETWEEN THE SUNFLOWER SPECIESHELIANTHUS ANNUUSANDH. PETIOLARIS

1947 • 156 citations

Chromosomal Differentiation among the Annual Helianthus Species

1986 • 154 citations

IRIS NELSONII (IRIDACEAE): ORIGIN AND GENETIC COMPOSITION OF A HOMOPLOID HYBRID SPECIES

1993 • 151 citations

Interspecific pollen competition as a reproductive barrier between sympatric species of Helianthus (Asteraceae)

1995 • 149 citations

THE CYTOGENETICS OF SPECIATION IN GOSSYPIUM. I. SELECTIVE ELIMINATION OF THE DONOR PARENT GENOTYPE IN INTERSPECIFIC BACKCROSSES

1949 • 144 citations

The Evolution, Maintenance, and Loss of Self-Incompatibility Systems

1990 • 132 citations

PATTERNS OF HYBRIDIZATION AND INTROGRESSION IN POPULATIONS OF OAKS, MANZANITAS, AND IRISES

1992 • 131 citations

A theoretical assessment of recombinational speciation

1995 • 131 citations

GENETIC EVIDENCE FOR THE HYBRID ORIGIN OF THE DIPLOID PLANT STEPHANOMERIA DIEGENSIS

1982 • 131 citations

A POSTINSEMINATION BARRIER TO FERTILIZATION ISOLATES TWO CLOSELY RELATED GROUND CRICKETS

1994 • 126 citations

ASSORTATIVE MATING AND NATURAL SELECTION IN AN IRIS HYBRID ZONE

1994 • 117 citations

Interspecific Pollen Competition and Reproductive Isolation in Iris

1993 • 115 citations

Allozyme variation in Louisiana irises: a test for introgression and hybrid speciation

1990 • 105 citations

MOLECULAR TESTS OF THE HYPOTHESIZED HYBRID ORIGIN OF TWO DIPLOID HELIANTHUS SPECIES (ASTERACEAE)

1990 • 104 citations

Reproductive interactions between hybridizing irises: analyses of pollen‐tube growth and fertilization success

1994 • 102 citations

Homoploid Reticulate Evolution in Helianthus (Asteraceae): Evidence from Ribosomal Genes

1991 • 97 citations

EFFECTS OF DIFFERENTIAL POLLEN‐TUBE GROWTH ON HYBRIDIZATION IN THE LOUISIANA IRISES

1996 • 96 citations

Natural Selection in Action in Eucalyptus

1957 • 93 citations

Mating System and Asymmetric Hybridization in a Mixed Stand of European Oaks

1996 • 83 citations

Reproductive Isolation in the Mimulus guttatus M. nasutus Complex

1978 • 83 citations

Sperm precedence and homogamy across a hybrid zone in the alpine grasshopper Podisma pedestris

1989 • 82 citations

CHLOROPLAST DNA INTROGRESSION IN SOUTHERN CALIFORNIA SUNFLOWERS

1992 • 81 citations

Levels of Confidence in the Analysis of Hybridization in Plants

1972 • 80 citations

HYBRIDIZATION AND CHLOROPLAST DNA VARIATION IN APINUSSPECIES COMPLEX FROM ASIA

1994 • 79 citations

Interspecific and temporal variation in herbivore responses to hybrid willows

1996 • 76 citations

A quantitative measure of introgression between lodgepole and jack pines

1987 • 72 citations

POLLEN‐TUBE COMPETITION, SIRING SUCCESS, AND CONSISTENT ASYMMETRIC HYBRIDIZATION IN LOUISIANA IRISES

1996 • 72 citations

THE EFFECTS OF HOST‐PLANT GENOTYPE, HYBRIDIZATION, AND ENVIRONMENT ON GALL‐APHID ATTACK AND SURVIVAL IN COTTONWOOD: THE IMPORTANCE OF GENETIC STUDIES AND THE UTILITY OF RFLPS

1993 • 71 citations

THE ORIGIN OF A NEW SPECIES OF GILIA IN A HYBRIDIZATION EXPERIMENT

1966 • 70 citations

POLLEN TUBE GROWTH AND INCOMPATIBILITY FOLLOWING INTRA‐ AND INTER‐SPECIFIC POLLINATIONS IN LILIUM LONGIFLORUM

1968 • 69 citations

Estimating the Frequencies of Genetically Distinct Classes of Individuals in Hybridized Populations

1993 • 65 citations

ELECTROPHORETIC CONFIRMATION OF INTERSPECIFIC HYBRIDIZATION INAESCULUS(HIPPOCASTANACEAE) AND THE GENETIC STRUCTURE OF A BROAD HYBRID ZONE

1990 • 62 citations

MITOCHONDRIAL INHERITANCE PATTERNS ACROSS A COTTONWOOD HYBRID ZONE: CYTONUCLEAR DISEQUILIBRIA AND HYBRID ZONE DYNAMICS

1991 • 58 citations

A Postinsemination Barrier to Fertilization Isolates Two Closely Related Ground Crickets

1994 • 56 citations

Differential Cytoplasmic versus Nuclear Introgression in Helianthus

1991 • 53 citations

HYBRID CLASSIFICATION: INSIGHTS FROM GENETIC MAP-BASED STUDIES OF EXPERIMENTAL HYBRIDS

1999 • 53 citations

NATURAL FORMATION OF IRIS HYBRIDS: EXPERIMENTAL EVIDENCE ON THE ESTABLISHMENT OF HYBRID ZONES

1996 • 51 citations

Patterns of Hybridization and Introgression in Populations of Oaks, Manzanitas, and Irises

1992 • 51 citations

MORPHOLOGICAL VARIABILITY IN GENETICALLY DEFINED CATEGORIES OF ANURAN HYBRIDS

1987 • 51 citations

Iris nelsonii (Iridaceae): Origin and Genetic Composition of a Homoploid Hybrid Species

1993 • 48 citations

Postcopulatory, prezygotic isolation: intraspecific and interspecific sperm precedence in Tribolium spp., flour beetles

1994 • 46 citations

Interspecific Pollen Competition as a Reproductive Barrier Between Sympatric Species of Helianthus (Asteraceae)

1995 • 46 citations

Evolutionary analysis of Pinus densata Masters, a putative Tertiary hybrid

1990 • 46 citations

Allozymic Differentiation Between Tolmiea menziesii and Tellima grandiflora (Saxifragaceae)

1987 • 44 citations

SELECTION FOR VIGOR AND FERTILITY IN THE PROGENY OF A HIGHLY STERILE SPECIES HYBRID IN GILIA

1966 • 42 citations

Overcoming incompatibility and promoting genetic recombination in flowering plants

1979 • 36 citations

DISCRETE POPULATIONS DERIVED BY INTERSPECIFIC HYBRIDIZATION AND SELECTION INNICOTIANA

1959 • 32 citations

POLLEN COMPETITION AND RELATEDNESS IN HAPLOPAPPUS SECTION ISOPAPPUS (COMPOSITAE). II.

1970 • 32 citations

Flora Novo-Galiciana. 12. Compositae.

1986 • 32 citations

The Effects of Host-Plant Genotype, Hybridization, and Environment on Gall-Aphid Attack and Survival in Cottonwood: The Importance of Genetic Studies and the Utility of RFLPS

1993 • 31 citations

Mentor effects in wild species of Helianthus (Asteraceae)

1998 • 31 citations

BARRIERS TO HYBRIDIZATION OFTRIFOLIUM REPENSWITH RELATED SPECIES

1972 • 30 citations

Reproductive Interactions Between Hybridizing Irises: Analyses of Pollen-Tube Growth and Fertilization Success

1994 • 28 citations

Pollen Tube Growth and Incompatibility Following Intra- and Inter-Specific Pollinations in Lilium longiflorum

1968 • 27 citations

Pollen Competition and Relatedness in Haplopappus Section Isopappus

1968 • 25 citations

Leucine aminopeptidase polymorphism inPhaseolus and differential elimination of the donor parent genotype in interspecific backcrosses

1968 • 23 citations

Ecological isolation and introgression: Biochemical confirmation of introgression in an Arctostaphylos (Ericaceae) population

1987 • 21 citations

Hybrid Speciation: Evolution under the microscope

1995 • 21 citations

Assessing the Utility of Isozyme Number for Determining Ploidal Level

1989 • 17 citations

“Criteria of Hybridity”

1947 • 13 citations

CRITERIA OF HYBRIDITY

1947 • 13 citations

Pollen Competition and Relatedness in Haplopappus Section Isopappus (Compositae). II.

1970 • 7 citations

INTERSPECIFIC CROSSES IN KALMIA

1968 • 7 citations

Pollination experiments in the Mimulus cardinalis–M. lewisii complex

1990 • 6 citations

Interspecific Crosses in Kalmia

1968 • 5 citations