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This paper describes a new approach for creating and using identification keys based on two main components: the Open Key Editor and the Open Key Player, both of which were created within the European project KeyToNature. The Open Key Editor can be used to produce custom identification keys starting from a master key and to add original usergenerated content, while the most important feature of the Open Key Player is the possibility to track relevant user activities into an eLearning environment, in order to collect data to improve the design and usability of identification keys.

The identification of lichens is important in several applied fields, such as the biological monitoring of air pollution and the restoration of openair stone monuments. This often creates relevant problems for non-specialists and technicians which are in charge of routinely applying lichen monitoring techniques. The coupling of a complex information system (ITALIC), together with a new software which can automatically produce identification keys for any subset of species included in a database (FRIDA), is an innovative approach in the field of identifying biodiversity. ITALIC is able to produce a list of species which potentially occur under a set of ecological and distributional conditions specified by the user. The list is automatically transferred to FRIDA, which generates a user-oriented interactive identification key limited to the species present in the “virtual habitat” created by the user. The new system has relevant applications, since it effectively supports the technical personnel of Environmental Agencies, Nature Parks, Cultural Heritage Conservation Agencies involved in lichen monitoring throughout the Country.

The European KeyToNature project has created a framework to gather large amounts of biodiversity-related digital data and metadata from cooperating providers and to make them publicly available via an advanced search engine tool. The novelty of the solution consists in the creation of specific queries for the search web service in the KeyToNature digital repository, in the implementation of a communication protocol between the client application and the repository server, and in other original solutions for metadata presentation.

The Open Key Editor (OKE) is a tool for editing and enriching existing identification keys and to produce localized ‘minikeys’ that apply to local flora and fauna, such as in parks, nature reserves and school gardens, or keys that apply to a particular season. The minikeys are easier to use than their originals, simply because of the fact that they deal with less species, their language can be adapted to a particular audience (e.g. pupils), and because they always point to species that are known to be present. OKE also allows the inclusion of user-generated content in any minikey (new text, images, hyperlinks etc.). The output of minikeys can be automatically tailored for display on computers, smartphones or PDA’s.

Various implementation approaches are available for digital field guides and identification tools that are created for the web and mobile devices. The architecture of the “biowikifarm” publishing platform and some technical and social advantages of a document- and author-centric approach based on the MediaWiki open source software over custom-developed, database driven software are presented.