Herbarium loans are made to individuals through another internationally registered herbarium (see Index Herbariorum).
The specimen loans are for phylogenetic, taxonomic, and ecological reseach projects of vascular plants. These loans are
normally for 6 months and we request that annotations be included on the specimens. Please contact us through mail or email
and we will provide you with any additional information necessary. Requests for specimen loans should be made by mail or email
and directed to the curator, Dr. Michael G. Simpson. These requests should be made directly from the receiving herbarium.
Dr. Michael Simpson, curator
Department of Biology
5500 Campanile Drive
San Diego State University
San Diego, California 92182, USA