The UCSB botanical collections, housed at the Cheadle Center for Biodiversity and Ecological Restoration, include over 250,000 taxa of terrestrial and marine species. The vascular plant herbarium includes approximately 100,000 vascular plant specimens, lichens curated by Dr. Shirley Tucker, and the C.H. Muller Oak collection. The algal herbarium houses approximately 8000 specimens dating from the 1880s.