The lichen collection consists of 52,000 specimens, including 1,405 types, and ranks sixth nationally. Important collections include those of A. W. Herre and E. Hall (North America), P.C. Standley (Guatemala, Honduras, Nicaragua), J. A. Steyermark (Guatemala), C. Sbarbaro (Europe) and A. B. Seymour (Eastern North America). Other Botany Collections: Botany Herbarium | Fungi | Lichens | Algae | Bryophytes | Pteridophytes | Gymnosperms | Flowering Plants | Timothy C. Plowman Economic Botany Collection | Type Photograph Collection