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the tools that botanists require for field-work must evolve and take on new forms. Of particular importance is the ability to identify existing and new species in the field. Mobile augmented reality systems can make it possible to access, view, and inspect a large database of virtual species examples side-by-side with physical specimens. In this paper, we present prototypes of a mobile augmented reality electronic field guide and techniques for displaying and inspecting computer vision-based visual search results in the form of virtual vouchers. Our work addresses head-movement controlled augmented reality for hands-free interaction and tangible augmented reality. We describe results from our design and investigation process and discuss observations and feedback from lab trials by botanists.