Iowa Lichen Project

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Iowa Lichen Project
Lichens have been studied in Iowa since the pioneering work of Charles Bessey and Bruce Fink in the 1880s and 1890s, but there’s still a great deal to learn about the diversity and distribution of lichens in the state. Improved knowledge will be required to determine whether any of Iowa’s lichen species are extirpated or should be considered for listing as threatened or endangered species. The distribution patterns of lichen species throughout the state are poorly understood. The lichen collection at the Ada Hayden Herbarium (ISC) consists of approximately 5,000 accessions, about one-half of which were collected in the state of Iowa.
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