IUCN threat status:

Critically Endangered (CR)


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Range Description

O. argentata is endemic to Ningxia province in China (Smith and Xie 2008). It occupies a highly restricted geographic range within the Helan Shan range of Ningxia, China (Hoffmann and Smith 2005). It occurs along a mountain top ridge, with a total area three sq. km (Smith and Xie 2008).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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