GENERAL INFORMATION about the ASU Lichen Herbarium
Today the Lichen Herbarium has over 109,000 specimens. All specimen records are currently being entered into a Microsoft Access application and a SQL Server database. More than 109,000 records have been entered as of August 2005. These records are searchable North American Lichen Network.
Over 30,000 specimens of the ASU Lichen Herbarium are being evaluated in the context of the Sonoran Desert Lichen Flora Project. Overall more than 5,500 different species are represented in the ASU Lichen Herbarium. This is approximately one fourth of the world's known lichen flora.
The ASU lichen collection emphasizes:
- Lichens of the Southwest (US) and Northwest Mexico: are being evaluated in terms of the Sonoran Desert Lichen Flora Project, which involves over 50 professional lichenologist from around the world.
- Latin America. As part of the Flora Neotropica project, yellow-green Parmeliaceae are being investigated.
- Lecanorae (8000 specimens) and Xanthoparmeliae (6200 specimens) from around the world are the largest groups found in the ASU lichen herbarium. The Lecanora collections are particularly rich in North American material of the subgenus Placodium. The Xanthoparmeliae include major collections from Australasia, North and South America, and South Africa.