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This LifeDesk serves as a repository for images, taxonomic classifications, and descriptions of lichens located in the Washington, D.C. area. The photographs are a main component of an ongoing project examining the use of non-scientists in contribution to lichen biodiversity monitoring. This project aims to develop and test techniques for estimating lichen richness using photographs taken by non-scientists while concurrently facilitating non-scientist involvement and interest in scientific research and conservation.

The photographs contained on this LifeDesk are a result of 5 surveys which were performed at 5 National Parks in Maryland, Virginia, and Washington, D.C. In each site, photographs were taken of live macrolichen specimens on their natural non-rocky substrate. Each lichen "specimen" - or individual photograph - has been identified to the most accurate taxon level possible based on morphology. Following a complete identification of all specimens, morphotype richness values resulting from the photodocumentation approach will then be compared with known species richness which was determined by Dr. James Lawrey (George Mason University) using standard sampling protocol at the same sites.

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