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

Genetic Distance between Populations

1972 • 9,734 citations

Variation and Evolution in Plants

1950 • 4,163 citations

Development and characterization of polymorphic microsatellite loci in endangered fern Adiantum reniforme var. sinense

2006 • 2,507 citations

Plant Speciation

1981 • 1,645 citations

The role of hybridization in evolution

2001 • 1,581 citations

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

1983 • 1,449 citations

Phylogenetic and Systematic Inferences from Electrophoretic Studies

1983 • 342 citations

A chloroplast DNA inversion marks an ancient evolutionary split in the sunflower family (Asteraceae)

1987 • 335 citations

The Regulation of Recombination in Plants

1958 • 324 citations

GENETIC AND BIOCHEMICAL CONSEQUENCES OF POLYPLOIDY IN TRAGOPOGON

1976 • 303 citations

Speciation by monobrachial centric fusions

1986 • 293 citations

Molecular and chromosomal organization of DNA sequences coding for the ribosomal RNAs in cereals

1980 • 293 citations

Sunflower Science and Technology

1978 • 291 citations

The North American sunflowers (Helianthus)

1969 • 261 citations

GENETIC DIFFERENTIATION, SYMPATRIC SPECIATION, AND THE ORIGIN OF A DIPLOID SPECIES OF STEPHANOMERIA

1973 • 235 citations

Chloroplast DNA from lettuce and Barnadesia (Asteraceae): structure, gene localization, and characterization of a large inversion

1987 • 211 citations

INFRAGENERIC CLASSIFICATION OF HELIANTHUS (COMPOSITAE)

1981 • 209 citations

Sunflower Species of the United States.

1983 • 169 citations

Use of RAPD and microsatellite (SSR) variation to assess genetic relationships among populations of tetraploid alfalfa, Medicago sativa

2000 • 165 citations

HYBRIDIZATION BETWEEN THE SUNFLOWER SPECIESHELIANTHUS ANNUUSANDH. PETIOLARIS

1947 • 156 citations

Chromosomal Differentiation among the Annual Helianthus Species

1986 • 154 citations

OUTLINES TO A GENETIC MONOGRAPH OF THE GENUS GALEOPSIS

2010 • 154 citations

A MOLECULAR REEXAMINATION OF INTROGRESSION BETWEEN HELIANTHUS ANNUUS AND H. BOLANDERI (COMPOSITAE)

1988 • 136 citations

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

1982 • 131 citations

Ribosomal gene structure, variation and inheritance in maize and its ancestors.

1988 • 129 citations

Electrophoretic Data and Plant Speciation

1985 • 128 citations

PHYLOGENETIC IMPLICATIONS OF CHLOROPLAST DNA RESTRICTION SITE VARIATION IN THE MUTISIEAE (ASTERACEAE)

1988 • 125 citations

Variation and Subspeciation in the Common Sunflower, Helianthus Annuus

1954 • 124 citations

The Origin of Diploid Neospecies in Clarkia

1973 • 100 citations

Ribosomal RNA genes on homoeologous chromosomes of groups 5 and 6 in hexaploid wheat

1976 • 94 citations

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

1966 • 70 citations

Structure and variability of nuclear ribosomal genes in the genus Helianthus

1988 • 64 citations

Gene flow across a chromosomal tension zone. I. Relicts of ancient hybridization

1988 • 62 citations

STERILITY AND CHROMOSOME PAIRING IN INTRASPECIFIC GALEOPSIS HYBRIDS

2010 • 57 citations

The Influence of Breeding Habit on the Outcome of Natural Hybridization in Plants

1956 • 54 citations

Colchicine induced quadrivalent formation in Helianthus: evidence of ancient polyploidy

1983 • 54 citations

Chemosystematic Investigation of the Annual Species of Helianthus (Asteraceae)

1989 • 45 citations

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

1966 • 42 citations

A Monograph of the Genus Lilaeopsis (Umbelliferae)

1985 • 39 citations

DISCRETE POPULATIONS DERIVED BY INTERSPECIFIC HYBRIDIZATION AND SELECTION INNICOTIANA

1959 • 32 citations

ENZYME ELECTROPHORESIS AND EVOLUTIONARY RELATIONSHIPS AMONG THREE SPECIES OF LASTHENIA (ASTERACEAE: HELIANTHEAE)

1989 • 29 citations

Species Crosses in Helianthus: III. Delimitation of "Sections"

1965 • 29 citations

Genetic Variation in Helianthus annuus and H. bolanderi

1988 • 19 citations

Assessing the Utility of Isozyme Number for Determining Ploidal Level

1989 • 17 citations