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Items 401 to 440 of 677 results
Group by: Biological Sciences, Natural Resources, Earth and Environmental Sciences
 
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A Dendroctonus bark engraving (Coleoptera: Scolytidae) from a middle Eocene Larix (Coniferales: Pinaceae): early or delayed colonization?
American journal of botany

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Five centuries of changing forest vegetation in the northeastern United States
Plant ecology

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Landscape variation of liana communities in a Neotropical rain forest
Plant ecology

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Chlorophyll fluorescence and variations in tissue cold hardiness in response to freezing stress in Douglas-fir seedlings
New forests

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Ecotypic differentiation in Medicago polymorpha L. along an environmental gradient in central Chile. I. Phenology, biomass production and reproductive patterns
Plant ecology

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Ashicaulis woolfei n. sp.: additional evidence for the antiquity of osmundaceous ferns from the Triassic of Antarctica
American journal of botany

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Quantifying latitudinal clines to light responses in natural populations of Arabidopsis thaliana (Brassicaceae)
American journal of botany

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Variation in the expression of chemical defenses in Alliaria petiolata (Brassicaceae) in the field and common garden
American journal of botany

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Photosynthetic characteristics of invasive and noninvasive species of Rubus (Rosaceae)
American journal of botany

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Phenetic and phylogenetic analysis of Reinhardtia (Palmae)
American journal of botany

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Inter-hemispheric comparison of fire history: the Colorado Front Range, U.S.A., and the Northern Patagonian Andes, Argentina
Plant ecology

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Historical biogeography and the origin of stomatal distributions in Banksia and Dryandra (Proteaceae) based on their cpDNA phylogeny
American journal of botany

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Phenology and common garden and reciprocal transplant studies of Polymnia canadensis (Asteraceae), a monocarpic species of the North American Temperate Deciduous Forest
Plant ecology

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Frost hardiness in the juvenile and adult life phase of ivy (Hedera helix L.)
Plant ecology

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Olfactory antennal responses of the vine weevil Otiorhynchus sulcatus to plant volatiles
Entomologia experimentalis et applicata

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Geographical variation in the seasonal population dynamics of Bruchidius dorsalis (Coleoptera: Bruchidae): constraints of temmperature and host plant phenology
Environmental entomology

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Effect of NaCl and high pH on seedling growth of 15 Eucalyptus camaldulensis Dehnh. provenances
New forests

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Provenance- and subcultured-dependent variation during micropropagation of Gmelina arborea
Plant cell, tissue, and organ culture

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Morphological and RAPD analysis of hybridization between Quercus affinis and Q. laurina (Fagaceae), two Mexican red oaks
American journal of botany

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Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington State, USA, and its biogeographic implications
American journal of botany

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Geographic differentiation in the pollination system of the columnar cactus Pachycereus pecten-aboriginum
American journal of botany

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Geographical distribution and phenotypic differentiation in populations of Dactylis glomerata L. in Japan
Plant ecology

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Latitudinal variation in life-cycle characteristics of Potamogeton pectinatus L.: vegetative growth and asexual reproduction
Plant ecology

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Ecological investigations on the northern distribution range of Hippocrepis comosa L. in Germany
Plant ecology

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Geographic patterns in the reproductive ecology of Agave lechuguilla (Agavaceae) in the Chihuahuan desert. I. Floral characteristics, visitors, and fecundity
American journal of botany

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Adaptive change and conservatism in the host specificity in two local populations of the thistle-feeding ladybird beetle Epilachna niponica
Entomologia experimentalis et applicata

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Molecular systematics of the Catesbaeeae-Chiococceae complex (Rubiaceae): flower and fruit evolution and biogeographic implications
American journal of botany

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Evolution of self-fertilization at geographical range margins? A comparison of demographic, floral, and mating system variables in central vs. peripheral populations of Aquilegia canadensis (Ranunculaceae)
American journal of botany

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Nutritional resources used by the invasive maize pest Diabrotica virgifera virgifera in its new South-east-European distribution range
Entomologia experimentalis et applicata

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Phenotypic plasticity, parental effects, and parental care in plants? I. An examination of spike reflectance in Plantago lanceolata (Plantaginaceae)
American journal of botany

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Basal cactus phylogeny: implications of Pereskia (Cactaceae) paraphyly for the transition to the cactus life form
American journal of botany

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Comparative infructescence morphology in Liquidambar (Altingiaceae) and its evolutionary significance
American journal of botany

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Welwitschiaceae from the Lower Cretaceous of northeastern Brazil. [Erratum: 2005 Dec., v. 92, no. 12, p. 1957.]
American journal of botany

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The evolution of self-compatibility in geographically peripheral populations of Leavenworthia alabamica (Brassicaceae)
American journal of botany

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Molecular phylogeny of Oryzeae (Poaceae) based on DNA sequences from chloroplast, mitochondrial, and nuclear genomes
American journal of botany

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Evidence of hybridization between Lythrum salicaria (purple loosestrife) and L. alatum (winged loosestrife) in North America
Annals of botany

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A morphological study of the Petunia integrifolia complex (Solanaceae)
Annals of botany

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Chemistry and geographic variation of floral scent in Yucca filamentosa (Agavaceae)
American journal of botany

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Vernalization sensitivity in Arabidopsis thaliana (Brassicaceae): the effects of latitude and FLC variation
American journal of botany

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Variation in floral longevity between populations of Campanula rotundifolia (Campanulaceae) in response to fitness accrual rate manipulation
American journal of botany

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