The Oakmead Herbarium at Jasper Ridge Biological Preserve was founded in 1996. All specimens were collected from the 1198 acres (485 ha) now comprising the Jasper Ridge Biological Preserve of Stanford University, San Mateo County, California. Major collectors include John Hunter Thomas (1955-1992), John Rawlings (2004-n) and Toni Corelli (1990-2016). Size of collection: ~5500 specimens.