Publications

Peer reviewed papers

Balducci MG, Calevo J, Duffy KJ. (2024). Narrow mycorrhizal specialization and its effect on early development in the Mediterranean orchid Orchis italica. Botanical Journal of the Linnean Society, boae018.

Duffy KJ. (2024). The enigma of genetic adaptation in a panmictic pine. New Phytologist, 10.1111/nph.19710.

Duffy KJ. (2023) Influence of distance from conspecific and heterospecific co-flowering plants on pollination and fecundity in the nectarless orchid Dactylorhiza sambucina. Plant Ecology and Diversity 16: 99-104.

Calevo J and Duffy KJ. (2023). Interactions among mycorrhizal fungi enhance the early development of a Mediterranean orchid. Mycorrhiza. 33: 229-240.

Evans A, de Kort H, Brys R, Duffy KJ, Jersáková J, Kull T, Selosse M-A, Tsiftsis S, Minasiewicz J, Jacquemyn H. (2023) Historical biogeography and local adaptation explain population genetic structure in a widespread terrestrial orchid. Annals of Botany 131: 623-634.

Duffy KJ. (2023). Increasing density enhances pollination and fecundity in the rewarding orchid Gymnadenia conopsea. Flora299: 152219.

Calevo J, Bazzicalupo M, Adamo M, Robustelli dell Cuna FS, Voyron S, Girlanda M, Duffy KJ, Giovannini A, Cornara L. (2021). Floral trait and mycorrhizal similarity between an endangered orchid and its natural hybrid. Diversity, 13: 550.

Petraretti M, Duffy KJ, Del Mondo A, De Natale A, Pollio A. (2021) Community composition and ex situ cultivation of fungi associated with UNESCO heritage monuments on the Bay of Naples. Applied Sciences, 11: 4327.

Duffy KJ, Mdlalose ZM, Johnson SD. (2021) Sexual conflict in hermaphroditic flowers of an African aloe. International Journal of Plant Sciences, 182: 238-243.

Duffy KJ, Cafasso D, Ren M-X, Cozzolino, S. (2020) High haplotype diversity with fine-scale structure in a recently established population of an endangered orchid. Plant Species Biology, 35: 224-232.

Duffy KJ, Patrick KL, Johnson SD. (2020) Outcrossing rates in a rare “ornithophilous” aloe are correlated with bee visitation. Plant Systematics and Evolution, 306: 23.

Xing X, Gao Y, Zhao Z, Waud M, Duffy KJ, Selosse M-A, Jakalski M, Liu N, Jacquemyn H, Guo S. (2020) Similarity in mycorrhizal communities associating with two widespread terrestrial orchids decays with distance. Journal of Biogeography 47: 421-433.

Duffy KJ, Waud M, Schatz B, Petanidou T, Jacquemyn H. (2019) Latitudinal variation in mycorrhizal diversity associated with a European orchid. Journal of Biogeography 46: 968-980.

Duffy KJ and Jacquemyn H. (2019) Climate change increases ecogeographic isolation between closely related plants. Journal of Ecology 107:167-177.

Patrick KL, Johnson SD, Duffy KJ. (2018) High levels of fecundity in small and isolated populations of a self-compatible Aloepollinated by opportunistic birds and bees. Plant Biology 20: 780-788.

Scopece G, Campese L, Duffy KJ, Cozzolino S. (2018) The relative contribution of diurnal and nocturnal pollinators to plant female fitness in a specialized nursery pollination system. AoBPLANTS 10: ply002.

Duffy KJ and Johnson SD. (2017) Specialized mutualisms may constrain the geographical distribution of flowering plants. Proceedings of the Royal Society B. 20171841.

Duffy KJ and Johnson SD. (2017) Effects of distance from models on the fitness of floral mimics. Plant Biology. 19: 438-443.

Duffy KJ and Johnson SD. (2015) Staminal hairs enhance fecundity in the pollen-rewarding self-incompatible lily Bulbine abyssinica. Botanical Journal of the Linnean Society. 177: 481-490.

Stout JC, Duffy KJ, Egan P, Harbourne M and Hodkinson TR. (2015) Genetic diversity and flower size variation in invasive and native populations of a long-lived woody perennial. AoBPLANTS 7: plu087.

Duffy KJ and Johnson SD. (2014) Male interference with pollination efficiency in a hermaphroditic orchid. Journal of Evolutionary Biology, 27: 1751-1756.

Duffy KJ, Johnson SD, Peter CI. (2014) A temporal dimension to the influence of pollen rewards on bee behaviour and fecundity in Aloe tenuior. PLOS ONE: e94908.

Duffy KJ, Patrick KL, Johnson SD. (2013) Does the likelihood of an Allee effect on plant fecundity depend on the type of pollinator? Journal of Ecology, 101: 953-962.

Duffy KJ, Patrick KL, Johnson SD. (2013) Emasculation increases seed set in the bird-pollinated hermaphrodite Kniphofia linearifolia (Xanthorrhoeaceae): Evidence for sexual conflict? American Journal of Botany, 100: 622-627. 

Petanidou T, Duffy KJ, Karatza A, Kantsa A. (2013) Reduced fecundity in large populations of a Mediterranean orchid – evidence for pollinator limitation. Basic and Applied Ecology, 14: 36-43.

Duffy KJ, Fay MF, Smith RJ, and Stout JC. (2011) Population genetics and conservation of the small-white orchid, Pseudorchis albida, in Ireland. Biology and Environment, 111B: 73-81 

Duffy KJ and Stout JC. (2011) Effects of conspecific and heterospecific floral density on the pollination of two related rewarding orchids. Plant Ecology, 212: 1397-1406. 

Duffy KJ and Johnson SD. (2011) Effects of pollen reward removal on fecundity in a self-incompatible hermaphrodite plant. Plant Biology, 13: 556-560 (featured on issue cover).

Duffy KJ. (2011) Identifying sighting clusters of endangered taxa with historical records. Conservation Biology, 25: 392-399. 

Micheneau C, Duffy KJ, Smith RJ, Stevens LJ, Stout JC, Civeyrel L, Cowan RS, and Fay MF. (2010) Plastid microsatellites for the study of genetic variability in the widespread Cephalanthera longifolia, C. damosonium, and C. rubra (Neottieae, Orchidaceae), and cross-amplification in other Cephalanthera species. Botanical Journal of the Linnean Society, 163:181-193.

Duffy KJ, Scopece G, Cozzolino S, Fay MF, Smith RJ, and Stout JC. (2009) Ecology and genetic diversity of the dense-flowered orchid, Neotinea maculata, at the centre and edge of its range. Annals of Botany, 104: 507-516.

Duffy KJ, Kingston NE, Sayers BA, Roberts DL, and Stout JC. (2009) Inferring national and regional declines of rare orchid species with probabilistic models. Conservation Biology, 23: 184-195.

Duffy KJ and Stout JC. (2008) The effects of plant density and nectar reward on bee visitation to the endangered orchid Spiranthes romanzoffiana. Acta Oecologica, 34: 131-138.

Peer-reviewed book chapter

Jacquemyn H, Duffy KJ, Selosse M-A. (2017). Biogeography of orchid mycorrhizas. In: Ecological Studies: Biogeography of Mycorrhizal Symbiosis. Ed, Leho Tedersoo. Springer, Berlin. ISBN: 978-3-319-56362-6