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1 results

  • Rescuing Christensenia aesculifolia (Marattiaceae), a plant species with an extremely small population in China

  • Lei Cai, Guiliang Zhang, Jianying Xiang, Zhiling Dao, Weibang Sun
  • Journal:
    Oryx / Volume 53 / Issue 3 / July 2019
    Published online by Cambridge University Press:
    15 August 2018, pp. 436-438
    Print publication:
    July 2019
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  • The rare and threatened fern Christensenia aesculifolia of South-east Asia is listed in China as a second-ranked plant for national protection and is also categorized as one of 62 plant species with extremely small populations by the Yunnan provincial government. Field investigations during 2014–2017 failed to relocate one previously known population, and revealed that the single known extant population of C. aesculifolia contains only 10 individual plants. The most urgent conservation requirement for this species is to conserve the threatened habitat of the remnant population. Further field surveys and research are also required for an improved understanding of the species’ status.