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Article History

Received: 14 November 2017

Accepted: 31 May 2018

First Online: 18 June 2018

Ethics approval and consent to participate

: AllD. fragransand its spores were collected from Wudalianchi, Heilongjiang, China. No specific permissions were required because the sample location is an experimental area that allows researchers do their work so long as their activities do not break the law. The collection of this plant materials comply seriously with the Chinese and international guidelines.D. fragransis not an endangered or protected species in China, and has not been listed in appendices I, II or III of the Convention on the Trade in Endangered Species of Wild Fauna and Flora, which was validated on Oct 4th 2017 (website:ExternalRef removed). The voucher specimen (df-20,070,702-9) has been identified by Baodong Liu and deposited in the Plant Herbarium of Northeast Agricultural University.

: The authors declare that they have no competing interests.

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