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List of works by Ragan Callaway

A biogeographical approach to plant invasions: the importance of studying exotics in their introduced and native range

scientific article (publication date: February 2005)

A cross-continental test of the Enemy Release Hypothesis: leaf herbivory on Acer platanoides (L.) is three times lower in North America than in its native Europe

A functional comparative approach to facilitation and its context dependence

scientific article published on 30 November 2012

A global analysis of bidirectional interactions in alpine plant communities shows facilitators experiencing strong reciprocal fitness costs

scientific article

A molecular approach to understanding plant–plant interactions in the context of invasion biology

article

A trait‐based framework linking the soil metabolome to plant–soil feedbacks

scientific article published in 2023

Acroptilon repens, an Asian invader, has stronger competitive effects on species from America than species from its native range

scientific article published on 12 April 2010

Allelopathy and exotic plant invasion

scientific article (publication date: September 2003)

Allelopathy and exotic plant invasion: from molecules and genes to species interactions

scientific article

Allelopathy and plant invasions: traditional, congeneric, and bio-geographical approaches

article

Allocating nitrogen away from a herbivore: a novel compensatory response to root herbivory

scientific article published on 7 July 2007

Alpine cushion plants have species–specific effects on microhabitat and community structure in the tropical Andes

scientific article published in 2017

An exotic invasive plant selects for increased competitive tolerance, but not competitive suppression, in a native grass

scientific article published on 20 February 2016

Are old forests underestimated as global carbon sinks?

scientific article published on 11 March 2003

Are trans-Pacific invasions the new wave?

scientific article published on 27 October 2006

Bacterial endophytes enhance competition by invasive plants

scientific article

Belowground facilitation and trait matching: two or three to tango?

scientific article published in 2021

Biodiversity and ecosystem functioning: Have our experiments and indices been underestimating the role of facilitation?

scientific article

Biogeographic differences in the allelopathy of leaf surface extracts of an invasive weed

scientific article published on 17 June 2019

Biogeographic differences in the effects of Centaurea stoebe on the soil nitrogen cycle: novel weapons and soil microbes

scientific article published on 08 November 2010

Biogeographical variation in community response to root allelochemistry: novel weapons and exotic invasion

scientific article (publication date: March 2004)

Biological control agents elevate hantavirus by subsidizing deer mouse populations

scientific article published in April 2006

Biological-Control Herbivores May Increase Competitive Ability of the Noxious Weed Centaurea maculosa

scientific article published in 1999

Biotic resistance via granivory: establishment by invasive, naturalized, and native asters reflects generalist preference

scientific article published on September 1, 2011

Can plant biochemistry contribute to understanding of invasion ecology?

scientific article published on 7 November 2006

Catechin-metal interactions as a mechanism for conditional allelopathy by the invasive plantCentaurea maculosa

article

Climate outweighs native vs. nonnative range‐effects for genetics and common garden performance of a cosmopolitan weed

scientific article published on 25 June 2019

Climatic drivers of plant–plant interactions and diversity in alpine communities

article

Community Impacts of Prosopis juliflora Invasion: Biogeographic and Congeneric Comparisons

scientific article published on September 12, 2012

Competition and Facilitation on Elevation Gradients in Subalpine Forests of the Northern Rocky Mountains, USA

scientific article published on 16 November 2006

Competition as a demolition derby: why tolerating competitors is more important than suppressing them

scientific article published on 05 October 2020

Competition does not come at the expense of colonization in seed morphs with increased size and dispersal

article

Competitive outcomes between two exotic invaders are modified by direct and indirect effects of a native conifer

scientific article published in 2012

Concentrations of the Allelochemical (+/-)-catechin IN Centaurea maculosa soils

scientific article published on 21 November 2007

Context-dependency and the effects of species diversity on ecosystem function

scholarly article by Huixuan Liao published in July 2016

Conyza canadensis suppresses plant diversity in its nonnative ranges but not at home: a transcontinental comparison

scientific article

Cost of Defense in the Context of Plant Competition: Brassica rapa May Grow and Defend

article

Decisions, decisions, decisions: plant roots detect and respond to complex environmental cues

scientific article published on 06 January 2020

Defoliation of Centaurea solstitialis Stimulates Compensatory Growth and Intensifies Negative Effects on Neighbors

scientific article published on 11 April 2006

Different responses of congeneric consumers to an exotic food resource: who gets the novel resource prize?

article

Direct and indirect effects of invasive plants on soil chemistry and ecosystem function

scientific article

Disturbance facilitates invasion: the effects are stronger abroad than at home

scientific article published on 10 July 2006

Diversity Increases Indirect Interactions, Attenuates the Intensity of Competition, and Promotes Coexistence

scientific article published on 25 August 2015

Do biotic interactions shape both sides of the humped-back model of species richness in plant communities?

scientific article

Do exotic plants lose resistance to pathogenic soil biota from their native range? A test with Solidago gigantea

scientific article published on 24 May 2015

Don't diss integration: a comment on Ricklefs's disintegrating communities

scientific article

Don’t Diss Integration: A Comment on Ricklefs’s Disintegrating Communities

scientific article published in 2009

Dwarf mistletoe affects whole-tree water relations of Douglas fir and western larch primarily through changes in leaf to sapwood ratios

scientific article published in January 2001

Early Sibling Conflict May Ultimately Benefit the Family

scientific article published on 14 August 2019

Ecology and genetics affect relative invasion success of two Echium species in southern Australia

scientific article

Ecotypic diversity of a dominant grassland species resists exotic invasion

scientific article

Effects of Festuca paniculata on the compensatory growth response of Centaurea uniflora in the French Alps

article

Effects of soil biota from different ranges on Robinia invasion: acquiring mutualists and escaping pathogens

scientific article

Effects of soil fungi, disturbance and propagule pressure on exotic plant recruitment and establishment at home and abroad

article

Effects ofAcer platanoidesinvasion on understory plant communities and tree regeneration in the northern Rocky Mountains

article

Enemy release from the effects of generalist granivores can facilitate Bromus tectorum invasion in the Great Basin Desert

scientific article published on 17 July 2019

Epiphyte host preferences and host traits: mechanisms for species-specific interactions.

scientific article published in July 2002

Erratum: Ecology and genetics affect relative invasion success of two Echium species in southern Australia

scientific article published on 16 March 2017

Escape from competition: Neighbors reduceCentaurea stoebeperformance at home but not away

scientific article published on December 1, 2011

Escape from natural enemies depends on the enemies, the invader, and competition

scientific article published on 11 September 2020

Evidence for evolution of increased competitive ability for invasive Centaurea solstitialis, but not for naturalized C. calcitrapa

article

Evolutionary tradeoffs for nitrogen allocation to photosynthesis versus cell walls in an invasive plant

scholarly article

Exotic Prosopis juliflora suppresses understory diversity and promotes agricultural weeds more than a native congener

scientific article published on 30 May 2020

Exotic insect pollinators and native pollination systems

scientific article published on 03 August 2021

Exotic invasive plants increase productivity, abundance of ammonia-oxidizing bacteria and nitrogen availability in intermountain grasslands

article

Experience of inundation or drought alters the responses of plants to subsequent water conditions

article

Experimental admixture among geographically disjunct populations of an invasive plant yields a global mosaic of reproductive incompatibility and heterosis

scientific article published on 14 February 2021

Extended consequences of selection by exotic invaders on natives

scientific article published on 15 November 2021

FACILITATION AND COMPETITION ON GRADIENTS IN ALPINE PLANT COMMUNITIES

article

Facilitation May Buffer Competitive Effects: Indirect and Diffuse Interactions among Salt Marsh Plants

scientific article published on 01 October 2000

Facilitation and Inhibition of Seedlings of an Invasive Tree (Acer platanoides) by Different Tree Species in a Mountain Ecosystem

article

Facilitation by Pinus flexilis during succession: a hierarchy of mechanisms benefits other plant species

scientific article published on July 2006

Facilitation in plant communities: the past, the present, and the future

article

Facilitative plant interactions and climate simultaneously drive alpine plant diversity

scientific article

Forage Value of Invasive Species to the Diet of Rocky Mountain Elk

article

Fungal endophyte increases the allelopathic effects of an invasive forb

scientific article published on 2 February 2014

Fungal endophytes directly increase the competitive effects of an invasive forb

scientific article published on January 1, 2012

Gender and abiotic stress affect community-scale intensity of facilitation and its costs

scientific article published in 2012

Genetic evidence for plural introduction pathways of the invasive weed Paterson's curse (Echium plantagineum L.) to southern Australia

scientific article published on 19 September 2019

Geographic mosaics of plant-soil microbe interactions in a global plant invasion

article

Germination responses of an invasive species in native and non-native ranges

scientific article (publication date: April 2009)

Germination responses of an invasive species in native and non-native ranges

scientific article published in 2009

Granivory from native rodents and competition from an exotic invader strongly and equally limit the establishment of native grasses

scientific article published on 8 February 2018

Growth and competitive effects of Centaurea stoebe populations in response to simulated nitrogen deposition

scientific article

Home and away: biogeographical comparison of species diversity in Thymus vulgaris communities

scholarly article by Jacqueline A. Nielsen et al published 22 May 2017 in Biological Invasions

How plants communicate using the underground information superhighway

scientific article

Identification and localization of bioactive naphthoquinones in the roots and rhizosphere of Paterson's curse (Echium plantagineum), a noxious invader

scientific article published on 18 May 2016

Impact of (+/-)-catechin on soil microbial communities

scientific article published in January 2009

Impact of Acroptilon repens on co-occurring native plants is greater in the invader’s non-native range

article

Impact of a parasitic plant on the zonation of two salt marsh perennials.

scientific article

Impact of an invader on species diversity is stronger in the non-native range than in the native range

article

Impact of invasive slash pine (Pinus elliottii) on groundcover vegetation at home and abroad

scientific article published on 21 May 2018

Impacts of Solidago gigantea on other species at home and away

scientific article published on 27 August 2015

Indirect effects of host-specific biological control agents

scientific article published in 2003

Indirect facilitation mediated by pollinators in intermountain prairie

scientific article published in 2021

Inhibitory effects of Eucalyptus globulus on understorey plant growth and species richness are greater in non-native regions

article

Inhibitory effects of soil biota are ameliorated by high plant diversity

scientific article published on 23 May 2015

Insect herbivory stimulates allelopathic exudation by an invasive plant and the suppression of natives

scientific article

Integrating novel chemical weapons and evolutionarily increased competitive ability in success of a tropical invader

scientific article

Intense mowing management suppresses invader, but shifts competitive resistance by a native to facilitation

scientific article

Inter-regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability

scientific article published in 2016

Interactions among plants and evolution

scientific article published on 26 February 2011

Interactions between nurse plants and parasitic beneficiaries: A theoretical approach to indirect facilitation

scientific article published on 06 March 2020

Intraspecific diversity buffers the inhibitory effects of soil biota

scientific article published in August 2016

Invasion through quantitative effects: intense shade drives native decline and invasive success

scientific article published in October 2006

Invasive and non-invasive congeners show similar trait shifts between their same native and non-native ranges

scientific article

Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms

scientific article published in May 2006

Invasive plants escape from suppressive soil biota at regional scales

article

Invasive species grows faster, competes better, and shows greater evolution toward increased seed size and growth than exotic non-invasive congeners

article

Is there a risk to living large? Large size correlates with reduced growth when stressed for knapweed populations

scientific article published on 20 April 2010

LINKING PATTERNS AND PROCESSES IN ALPINE PLANT COMMUNITIES: A GLOBAL STUDY

article

Light intensity alters the allelopathic effects of an exotic invader

scientific article published in 2012

Metabolic Profiling and Identification of Shikonins in Root Periderm of Two Invasive Echium spp. Weeds in Australia.

scientific article

Metabolic Profiling of Pyrrolizidine Alkaloids in Foliage of Two Echium spp. Invaders in Australia--A Case of Novel Weapons?

scientific article

Modeling the relative importance of ecological factors in exotic invasion: The origin of competitors matters, but disturbance in the non-native range tips the balance

article by Sa Xiao et al published September 2016 in Ecological Modelling

Models of Experimental Competitive Intensities Predict Home and Away Differences in Invasive Impact and the Effects of an Endophytic Mutualist

scientific article published on October 31, 2012

Models of experimentally derived competitive effects predict biogeographical differences in the abundance of invasive and native plant species

scientific article

Modern Quaternary plant lineages promote diversity through facilitation of ancient Tertiary lineages

scientific article (publication date: 7 November 2006)

Morphological variability in tree root architecture indirectly affects coexistence among competitors in the understory

scientific article

Native North American pine attenuates the competitive effects of a European invader on native grasses

scientific article published on 29 September 2014

Native congeners provide biotic resistance to invasive Potentilla through soil biota

scientific article

Native granivores reduce the establishment of native grasses but not invasive Bromus tectorum

scientific article published on 27 June 2018

Natural selection for resistance to the allelopathic effects of invasive plants

article

Negative plant-soil feedbacks increase with plant abundance, and are unchanged by competition

scientific article published in August 2016

Neo-allopatry and rapid reproductive isolation

scientific article

New support for the Enhanced Mutualism Hypothesis for invasion

scientific article published in 2022

Nitrogen addition, but not pulse frequency, shifts competitive interactions in favor of exotic invasive plant species

scientific article published in 2022

No evidence for root-mediated allelopathy in Centaurea solstitialis, a species in a commonly allelopathic genus

article

Novel weapons and invasion: biogeographic differences in the competitive effects of Centaurea maculosa and its root exudate (+/-)-catechin

scientific article published on 14 February 2009

Novel weapons: invasive plant suppresses fungal mutualists in America but not in its native Europe

scientific article published in April 2008

Offsetting changes in biomass allocation and photosynthesis in ponderosa pine (Pinus ponderosa) in response to climate change

scientific article published in July 1994

Oxalate contributes to the resistance of Gaillardia grandiflora and Lupinus sericeus to a phytotoxin produced by Centaurea maculosa

scientific article published on 5 January 2006

PHENOTYPIC PLASTICITY AND INTERACTIONS AMONG PLANTS

scientific article published in 2003

Parasitic plants: parallels and contrasts with herbivores

scientific article published on 01 May 2002

Parasitism byCuscuta chilensisand gender affect how the nurse cushionLaretia acaulisincreases diversity in Andean alpine communities

Partitioning net interactions among plants along altitudinal gradients to study community responses to climate change

article

Phenotypic variation in nurse traits and community feedbacks define an alpine community

scientific article published on 02 March 2011

Phylogenetic structure of arbuscular mycorrhizal fungal communities along an elevation gradient

scientific article published in December 2016

Phytotoxic effects of (+/-)-catechin in vitro, in soil, and in the field

scientific article

Plant behavioural ecology: dynamic plasticity in secondary metabolites

scientific article

Plant diversity, soil biota and resistance to exotic invasion

article

Plant ecology: family roots

scientific article published in July 2007

Plant invasions, generalist herbivores, and novel defense weapons

scientific article

Plant neighbor identity influences plant biochemistry and physiology related to defense

scientific article

Plant science. An invasive plant paradox

scientific article

Positive associations with native shrubs are intense and important for an exotic invader but not the native annual community across an aridity gradient

scientific article published on 29 June 2020

Positive interactions among alpine plants increase with stress

scientific article

Positive interactions among plants

scientific article published on 20 June 2008

Positive interactions between an exotic invader and moss biocrusts vary across life stage and correspond with the effect of water pulses on soil nitrogen

scientific article published on 13 May 2021

Positive interactions in plant communities and the individualistic-continuum concept

scientific article published on 01 October 1997

Priority effects and ecological restoration

scientific article

Production of pyrrolizidine alkaloids and shikonins in Echium plantagineum L. in response to various plant stressors

scientific article published on 29 July 2019

Rainfall continentality, via the winter Gams angle, provides a new dimension to biogeographical distributions in the western United States

scientific article published on 28 November 2020

Range-expanding populations of a globally introduced weed experience negative plant-soil feedbacks

scientific article

Rapid evolutionary trade‐offs between resistance to herbivory and tolerance to abiotic stress in an invasive plant

scientific article published in 2023

Re-analysis of meta-analysis: support for the stress-gradient hypothesis

article

Re-focusing sampling, design and experimental methods to assess rapid evolution by non-native plant species

scientific article published on 12 February 2024

Reciprocal interactions between a facilitator, natives, and exotics in tropical alpine plant communities

scientific article published on 31 May 2017

Reduced mycorrhizal responsiveness leads to increased competitive tolerance in an invasive exotic plant

article

Refining the stress-gradient hypothesis for competition and facilitation in plant communities

article

Relative importance of competition and plant-soil feedback, their synergy, context dependency and implications for coexistence

article

Resistance to Centaurea solstitialis invasion from annual and perennial grasses in California and Argentina

article

Rethinking plant community theory

article

Retracted: Dual role for an allelochemical: (±)-catechin from Centaurea maculosa root exudates regulates conspecific seedling establishment

retracted paper

Risk of Facilitated Invasion Depends Upon Invader Identity, Not Environmental Severity, Along an Aridity Gradient

scientific article published on 09 May 2022

Root contact responses and the positive relationship between intraspecific diversity and ecosystem productivity

scientific article published on 19 May 2015

Root exudate is allelopathic in invaded community but not in native community: field evidence for the novel weapons hypothesis

article

SHRUB FACILITATION OF COAST LIVE OAK ESTABLISHMENT IN CENTRAL CALIFORNIA

scientific article published in 1991

SOIL BIOTA FACILITATE EXOTIC ACER INVASIONS IN EUROPE AND NORTH AMERICA

scientific article published in 2004

SOIL FUNGI ALTER INTERACTIONS BETWEEN THE INVADER CENTAUREA MACULOSA AND NORTH AMERICAN NATIVES

scientific article published in 2004

STRESS TOLERANCE AND COMPETITIVE-RESPONSE ABILITY DETERMINE THE OUTCOME OF BIOTIC INTERACTIONS

scientific article published on 04 June 2007

Seasonal shifts in competition and facilitation in subalpine plant communities of the central Caucasus

scientific article published on 24 February 2009

Selectivity and environmental variations in herbivory by Orthoptera

scientific article published in February 2002

Severity of impacts of an introduced species corresponds with regional eco-evolutionary experience

scientific article

Soil biota and exotic plant invasion

scientific article published in February 2004

Soil biota and invasive plants

scientific article

Soil microbes drive the classic plant diversity-productivity pattern

scientific article

Soil origin corresponds with variation in growth of an invasive Centaurea, but not of non-invasive congeners

scientific article published on 28 July 2020

Soils and the conditional allelopathic effects of a tropical invader

Solidago gigantea plants from nonnative ranges compensate more in response to damage than plants from the native range

scientific article published in September 2016

Stem respiration of ponderosa pines grown in contrasting climates: implications for global climate change

scientific article

Temporal priority effects on competition are not consistent among intermountain grassland species

scientific article published in 2016

Terrestrial ecosystem responses to species gains and losses

scientific article

Testing the mechanisms of diversity-dependent overyielding in a grass species

scientific article

The <scp>EICA</scp> is dead? Long live the <scp>EICA</scp>!

scientific article published in 2022

The Overlooked Role of Facilitation in Biodiversity Experiments

scientific article

The context dependence of beneficiary feedback effects on benefactors in plant facilitation

scientific article

The ecosystem and evolutionary contexts of allelopathy

scientific article published on 14 September 2011

The effects of foundation species on community assembly: a global study on alpine cushion plant communities

scientific article published on August 2015

The evolution of increased competitive ability, innate competitive advantages, and novel biochemical weapons act in concert for a tropical invader

scientific article

The importance of importance

scientific article published in 2005

The relative importance of allelopathy in interference: the effects of an invasive weed on a native bunchgrass

scientific article published on 01 February 2001

The value of stress and limitation in an imperfect world: A reply to Körner

Traits correlate with invasive success more than plasticity: A comparison of three congeners

article by Daniel Montesinos & Ragan Callaway published August 2018 in Ecology and Evolution

Volatile chemicals from leaf litter are associated with invasiveness of a neotropical weed in Asia

scientific article

Weed-biocontrol insects reduce native-plant recruitment through second-order apparent competition

scientific article

What does not kill you can make you stronger: Variation in plasticity in response to early temporally heterogeneous hydrological experience

scientific article published in 2022

What happens in Europe stays in Europe: apparent evolution by an invader does not help at home

scientific article published on 16 April 2020

What have exotic plant invasions taught us over the past 20 years?

scientific article