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    Adaptive seed dispersal mechanisms are fundamental to plant fitness, but dispersal advantage is scale-dependent. We tested the hypothesis that informed dispersal in response to an environmental cue enables dispersal by wind on a local scale for Astragalus holmgreniorum, a desert species restricted to swales and wash skirts with overland flow, but prevents longer-distance dispersal by water into unfavorable wash habitats.

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    Houghton, Sydney; Stevens, Michael T.; Meyer, Susan E. 2020. Pods as sails but not as boats: Dispersal ecology of a habitat-restricted desert milkvetch. American Journal of Botany. 107(6): 864-875.


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    antitelechory, Astragalus holmgreniorum, endemic, hygrochasy, informed dispersal, Mojave Desert, seed predators, wind dispersal, water dispersal

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