This collection includes correspondence, field notes, photographs, and other materials documenting the scientific career of Rimo Baciagalupi, California botanist and first curator of the Jepson Herbarium at the University of California, Berkeley.  Correspondence and papers from Bacigalupi's tenure as chairman of the Friends of the Regional Parks Botanic Garden are also included. A small box of material added to the collection after processing can be found in Series 6.