This paper presents the on-going work of MyDNAmark crowdsourcing biodiversity mobile application which enable the researchers and public alike to collaboratively record the species information and observation. The MyDNAmark application utilizes the Cordova API and various other APIs such as RESTful and Google Map to provide a means to display the collected species data, addition of new species data to server, get the geolocation of user, etc. A key feature is the offline capability which allows the user to save the species observation data locally when there are no Internet connection, and the local data is submitted to server once there are Internet connection. The capabilities of MyDNAmark is demonstrated through real end-user scenarios with the participation of fellow researchers working in the biological fields.

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