Published in Am J Bot on December 01, 2003
Hybridization and the colonization of novel habitats by annual sunflowers. Genetica (2006) 2.02
The ecological genetics of homoploid hybrid speciation. J Hered (2004) 1.98
Extensive chromosomal repatterning and the evolution of sterility barriers in hybrid sunflower species. Genetics (2005) 1.74
Rampant gene exchange across a strong reproductive barrier between the annual sunflowers, Helianthus annuus and H. petiolaris. Genetics (2007) 1.70
Reconstructing the origin of Helianthus deserticola: survival and selection on the desert floor. Am Nat (2004) 1.43
Molecular demographic history of the annual sunflowers Helianthus annuus and H. petiolaris--large effective population sizes and rates of long-term gene flow. Evolution (2008) 1.22
Hybridization and genome size evolution: timing and magnitude of nuclear DNA content increases in Helianthus homoploid hybrid species. New Phytol (2005) 1.19
Microarray analysis reveals differential gene expression in hybrid sunflower species. Mol Ecol (2006) 1.19
Genomic islands of divergence are not affected by geography of speciation in sunflowers. Nat Commun (2013) 1.18
Genomic patterns of adaptive divergence between chromosomally differentiated sunflower species. Mol Biol Evol (2009) 1.17
Comparative genomic and population genetic analyses indicate highly porous genomes and high levels of gene flow between divergent helianthus species. Evolution (2009) 1.16
Re-creating ancient hybrid species' complex phenotypes from early-generation synthetic hybrids: three examples using wild sunflowers. Am Nat (2005) 1.09
Proliferation of Ty3/gypsy-like retrotransposons in hybrid sunflower taxa inferred from phylogenetic data. BMC Biol (2009) 1.02
Phenotypic selection on leaf water use efficiency and related ecophysiological traits for natural populations of desert sunflowers. Oecologia (2006) 1.02
The rate of genome stabilization in homoploid hybrid species. Evolution (2007) 1.01
Reconstructing the history of selection during homoploid hybrid speciation. Am Nat (2007) 0.98
Adaptive divergence and speciation among sexual and pseudoviviparous populations of Festuca. Heredity (Edinb) (2010) 0.93
Response to salinity in the homoploid hybrid species Helianthus paradoxus and its progenitors H. annuus and H. petiolaris. New Phytol (2006) 0.92
Detecting multiple origins of domesticated crops. Proc Natl Acad Sci U S A (2008) 0.90
Asymmetrical gene flow in a hybrid zone of Hawaiian Schiedea (Caryophyllaceae) species with contrasting mating systems. PLoS One (2011) 0.88
Transposable element proliferation and genome expansion are rare in contemporary sunflower hybrid populations despite widespread transcriptional activity of LTR retrotransposons. Genome Biol Evol (2011) 0.88
Genomics of homoploid hybrid speciation: diversity and transcriptional activity of long terminal repeat retrotransposons in hybrid sunflowers. Philos Trans R Soc Lond B Biol Sci (2014) 0.83
Selective sweeps in the homoploid hybrid species Helianthus deserticola: evolution in concert across populations and across origins. Mol Ecol (2007) 0.80
Effective population size, gene flow, and species status in a narrow endemic sunflower, Helianthus neglectus, compared to its widespread sister species, H. petiolaris. Int J Mol Sci (2010) 0.78
Multiple hybridization events, polyploidy and low postmating isolation entangle the evolution of neotropical species of Epidendrum (Orchidaceae). BMC Evol Biol (2014) 0.76
TATA box insertion provide a selected mechanism for enhancing gene expression to adapt Fe deficiency. Plant Physiol (2016) 0.75
Genetic architecture of leaf ecophysiological traits in Helianthus. J Hered (2007) 0.75
Past climate changes facilitated homoploid speciation in three mountain spiny fescues (Festuca, Poaceae). Sci Rep (2016) 0.75
Major ecological transitions in wild sunflowers facilitated by hybridization. Science (2003) 6.25
The frequency of polyploid speciation in vascular plants. Proc Natl Acad Sci U S A (2009) 4.11
Recently formed polyploid plants diversify at lower rates. Science (2011) 2.89
How species evolve collectively: implications of gene flow and selection for the spread of advantageous alleles. Mol Ecol (2004) 2.82
Origin of extant domesticated sunflowers in eastern North America. Nature (2004) 2.59
Multiple paleopolyploidizations during the evolution of the Compositae reveal parallel patterns of duplicate gene retention after millions of years. Mol Biol Evol (2008) 2.51
Revisiting the Impact of Inversions in Evolution: From Population Genetic Markers to Drivers of Adaptive Shifts and Speciation? Annu Rev Ecol Evol Syst (2008) 2.50
Genetic analysis of sunflower domestication. Genetics (2002) 2.46
Environmental DNA. Mol Ecol (2012) 2.36
A genomic view of introgression and hybrid speciation. Curr Opin Genet Dev (2007) 2.03
Fitness effects of transgenic disease resistance in sunflowers. Science (2003) 1.95
Increasing homogeneity in global food supplies and the implications for food security. Proc Natl Acad Sci U S A (2014) 1.95
Adaptive introgression of abiotic tolerance traits in the sunflower Helianthus annuus. New Phytol (2010) 1.93
The origin of ecological divergence in Helianthus paradoxus (Asteraceae): selection on transgressive characters in a novel hybrid habitat. Evolution (2003) 1.90
How robust are "isolation with migration" analyses to violations of the im model? A simulation study. Mol Biol Evol (2009) 1.82
The speed of ecological speciation. Funct Ecol (2007) 1.80
Reconstructing patterns of reticulate evolution in plants. Am J Bot (2004) 1.79
Parallel genotypic adaptation: when evolution repeats itself. Genetica (2005) 1.79
Extensive chromosomal repatterning and the evolution of sterility barriers in hybrid sunflower species. Genetics (2005) 1.74
Adaptive introgression of herbivore resistance traits in the weedy sunflower Helianthus annuus. Am Nat (2006) 1.71
Rampant gene exchange across a strong reproductive barrier between the annual sunflowers, Helianthus annuus and H. petiolaris. Genetics (2007) 1.70
Genome skimming reveals the origin of the Jerusalem Artichoke tuber crop species: neither from Jerusalem nor an artichoke. New Phytol (2013) 1.64
Interpreting the estimated timing of migration events between hybridizing species. Mol Ecol (2011) 1.61
What can patterns of differentiation across plant genomes tell us about adaptation and speciation? Philos Trans R Soc Lond B Biol Sci (2012) 1.60
The molecular basis of invasiveness: differences in gene expression of native and introduced common ragweed (Ambrosia artemisiifolia) in stressful and benign environments. Mol Ecol (2013) 1.53
Connecting the sun to flowering in sunflower adaptation. Mol Ecol (2011) 1.50
Reconstructing the origin of Helianthus deserticola: survival and selection on the desert floor. Am Nat (2004) 1.43
Comparative mapping and rapid karyotypic evolution in the genus helianthus. Genetics (2004) 1.35
The role of recently derived FT paralogs in sunflower domestication. Curr Biol (2010) 1.32
Selection on leaf ecophysiological traits in a desert hybrid Helianthus species and early-generation hybrids. Evolution (2004) 1.28
Development of a 10,000 locus genetic map of the sunflower genome based on multiple crosses. G3 (Bethesda) (2012) 1.26
Patterns of genetic variation suggest a single, ancient origin for the diploid hybrid species Helianthus paradoxus. Evolution (2002) 1.23
Habitat divergence between a homoploid hybrid sunflower species, Helianthus paradoxus (Asteraceae), and its progenitors. Am J Bot (2002) 1.22
The correlation of evolutionary rate with pathway position in plant terpenoid biosynthesis. Mol Biol Evol (2009) 1.22
Molecular demographic history of the annual sunflowers Helianthus annuus and H. petiolaris--large effective population sizes and rates of long-term gene flow. Evolution (2008) 1.22
Hybrid zones as a tool for identifying adaptive genetic variation in outbreeding forest trees: lessons from wild annual sunflowers (Helianthus spp.). For Ecol Manage (2004) 1.22
Selective sweeps reveal candidate genes for adaptation to drought and salt tolerance in common sunflower, Helianthus annuus. Genetics (2007) 1.21
High biological species diversity in the arctic flora. Proc Natl Acad Sci U S A (2006) 1.20
Genetics of species differences in the wild annual sunflowers, Helianthus annuus and H. petiolaris. Genetics (2004) 1.20
Hybridization and genome size evolution: timing and magnitude of nuclear DNA content increases in Helianthus homoploid hybrid species. New Phytol (2005) 1.19
Microarray analysis reveals differential gene expression in hybrid sunflower species. Mol Ecol (2006) 1.19
SSRs and INDELs mined from the sunflower EST database: abundance, polymorphisms, and cross-taxa utility. Theor Appl Genet (2008) 1.18
Genomic patterns of adaptive divergence between chromosomally differentiated sunflower species. Mol Biol Evol (2009) 1.17
Comparative genomic and population genetic analyses indicate highly porous genomes and high levels of gene flow between divergent helianthus species. Evolution (2009) 1.16
Effective population size is positively correlated with levels of adaptive divergence among annual sunflowers. Mol Biol Evol (2010) 1.16
What we still don't know about invasion genetics. Mol Ecol (2015) 1.14
Genomics of Compositae weeds: EST libraries, microarrays, and evidence of introgression. Am J Bot (2011) 1.11
Selection on domestication traits and quantitative trait loci in crop-wild sunflower hybrids. Mol Ecol (2007) 1.10
Re-creating ancient hybrid species' complex phenotypes from early-generation synthetic hybrids: three examples using wild sunflowers. Am Nat (2005) 1.09
Contributions of flowering time genes to sunflower domestication and improvement. Genetics (2010) 1.08
Candidate gene polymorphisms associated with salt tolerance in wild sunflower hybrids: implications for the origin of Helianthus paradoxus, a diploid hybrid species. New Phytol (2004) 1.07
Reconstructing patterns of reticulate evolution in plants. Am J Bot (2004) 1.07
RNA-seq analysis of allele-specific expression, hybrid effects, and regulatory divergence in hybrids compared with their parents from natural populations. Genome Biol Evol (2013) 1.07
Divergence is focused on few genomic regions early in speciation: incipient speciation of sunflower ecotypes. Evolution (2013) 1.02
Genetics and evolution of weedy Helianthus annuus populations: adaptation of an agricultural weed. Mol Ecol (2007) 1.02
The rate of genome stabilization in homoploid hybrid species. Evolution (2007) 1.01
Sunflower domestication alleles support single domestication center in eastern North America. Proc Natl Acad Sci U S A (2011) 1.00
Rate of lineage origin explains the diversity anomaly in the world's mangrove vegetation. Am Nat (2006) 1.00
Genetic consequences of selection during the evolution of cultivated sunflower. Genetics (2005) 0.99
Association mapping and the genomic consequences of selection in sunflower. PLoS Genet (2013) 0.98
Reconstructing the history of selection during homoploid hybrid speciation. Am Nat (2007) 0.98
Sorting through the chaff, nDNA gene trees for phylogenetic inference and hybrid identification of annual sunflowers (Helianthus sect. Helianthus). Mol Phylogenet Evol (2012) 0.97
Reconciling extremely strong barriers with high levels of gene exchange in annual sunflowers. Evolution (2012) 0.97
A road map for molecular ecology. Mol Ecol (2013) 0.95
Ecological selection maintains cytonuclear incompatibilities in hybridizing sunflowers. Ecol Lett (2008) 0.95
Microsatellite signature of ecological selection for salt tolerance in a wild sunflower hybrid species, Helianthus paradoxus. Mol Ecol (2006) 0.95
SCARF: maximizing next-generation EST assemblies for evolutionary and population genomic analyses. Bioinformatics (2009) 0.95
Establishing genomic tools and resources for Guizotia abyssinica (L.f.) Cass.-the development of a library of expressed sequence tags, microsatellite loci, and the sequencing of its chloroplast genome. Mol Ecol Resour (2010) 0.93
The sunflower (Helianthus annuus L.) genome reflects a recent history of biased accumulation of transposable elements. Plant J (2012) 0.93
Natural variation in gene expression between wild and weedy populations of Helianthus annuus. Genetics (2008) 0.92
Rice genomes: a grainy view of future evolutionary research. Curr Biol (2002) 0.91
The circumscription and phylogenetic relationships of Callitropsis and the newly described genus Xanthocyparis (Cupressaceae). Am J Bot (2004) 0.91
Genetic map-based analysis of genome structure in the homosporous fern Ceratopteris richardii. Genetics (2006) 0.91
Molecular evolution across the Asteraceae: micro- and macroevolutionary processes. Mol Biol Evol (2011) 0.91
Predominant and substoichiometric isomers of the plastid genome coexist within Juniperus plants and have shifted multiple times during cupressophyte evolution. Genome Biol Evol (2014) 0.90
Adaptation with gene flow across the landscape in a dune sunflower. Mol Ecol (2012) 0.89
Increased growth in sunflower correlates with reduced defences and altered gene expression in response to biotic and abiotic stress. Mol Ecol (2011) 0.89
Allele identification for transcriptome-based population genomics in the invasive plant Centaurea solstitialis. G3 (Bethesda) (2013) 0.89
Genomic evidence for the parallel evolution of coastal forms in the Senecio lautus complex. Mol Ecol (2013) 0.88
Genetic architecture of a selection response in Arabidopsis thaliana. Evolution (2003) 0.88
EvoPipes.net: Bioinformatic Tools for Ecological and Evolutionary Genomics. Evol Bioinform Online (2010) 0.88
A genomewide study of reproductive barriers between allopatric populations of a homosporous fern, Ceratopteris richardii. Genetics (2007) 0.87
Sunflower genetic, genomic and ecological resources. Mol Ecol Resour (2012) 0.87
Reproductive isolation during domestication. Plant Cell (2012) 0.87
Recent nonhybrid origin of sunflower ecotypes in a novel habitat. Mol Ecol (2012) 0.87
The potential for gene flow between cultivated and wild sunflower (Helianthus annuus) in the United States. Am J Bot (2002) 0.86
Genomics of Compositae crops: reference transcriptome assemblies and evidence of hybridization with wild relatives. Mol Ecol Resour (2013) 0.85
Genome scans reveal candidate domestication and improvement genes in cultivated sunflower, as well as post-domestication introgression with wild relatives. New Phytol (2015) 0.85
Effects of genetic background on response to selection in experimental populations of Arabidopsis thaliana. Genetics (2003) 0.85
On the adaptive value of cytoplasmic genomes in plants. Mol Ecol (2014) 0.84
Genetics of intrinsic postzygotic isolation in a circumpolar plant species, Draba nivalis (Brassicaceae). Evolution (2008) 0.83
Development of an ultra-dense genetic map of the sunflower genome based on single-feature polymorphisms. PLoS One (2012) 0.83
Rapid evolution of an invasive weed. New Phytol (2013) 0.82
Methods for studying polyploid diversification and the dead end hypothesis: a reply to Soltis et al. (2014). New Phytol (2014) 0.81
Comparing DNA extraction methods for analysis of botanical materials found in anti-diabetic supplements. Mol Biotechnol (2013) 0.80
Selective sweeps in the homoploid hybrid species Helianthus deserticola: evolution in concert across populations and across origins. Mol Ecol (2007) 0.80
Transcriptome divergence between introduced and native populations of Canada thistle, Cirsium arvense. New Phytol (2013) 0.80
Genome-scale transcriptional analyses of first-generation interspecific sunflower hybrids reveals broad regulatory compatibility. BMC Genomics (2013) 0.80
Conservation and divergence of gene expression plasticity following c. 140 million years of evolution in lodgepole pine (Pinus contorta) and interior spruce (Picea glauca×Picea engelmannii). New Phytol (2014) 0.79
Response of sunflower (Helianthus annuus L.) leaf surface defenses to exogenous methyl jasmonate. PLoS One (2012) 0.78