#7947. The effect of horticultural trade on establishment success in alien terrestrial true ferns (Polypodiophyta)

October 2026publication date
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Journal’s subject area:
Ecology, Evolution, Behavior and Systematics;
Ecology;
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Abstract:
Wildlife trade imposes direct and indirect negative impacts on the environment but particularly through the continual introduction of species beyond their native range. The high demand for various ornamental plant species at global scale, combined with modern and more efficient modes of trade highlight the horticultural trade industry as a point of major conservation concern. Historically, ferns are well documented as being a popular ornamental plant group and recent studies have highlighted their high propensity towards invasion. Despite this, no studies have considered the role of trade as a driver of invasiveness in this large plant group. In this study we developed an inventory of traded terrestrial true ferns (Polypodiophyta) using catalogues from on-ground and e-commerce nurseries across 6 major trading countries: Australia, Canada, New Zealand, South Africa, the United Kingdom, and the United States of America.
Keywords:
Alien ferns; Cultivars and varieties; e-commerce; Early detection; Invasiveness; Market presence

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