Several plant species have been named after Gentry, including: Acidocroton gentryi, Citharexylum gentryi, Crossothamnus gentryi, Eleutherodactylus gentryi, Hedyosmum gentryi, Metalepis gentryi, Palicourea gentryi, Phyllanthus gentryi, Sobralia gentryi and Zamia gentryi, as well as a bird, Herpsilochmus gentryi.
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