Site visitations and genetic sample collection

The USGS is seeking a contractor to conduct site visitations and collect genetic samples from 15-25 documented extant occurrences of San Diego ambrosia (Ambrosia pumila) within San Diego County. The contractor will work with the PI and management agencies to develop the final set of target occurrences. The contractor will be responsible for collecting leaf or flower material, labeling and storing the samples, and providing a final data summary. • The contractor must have experience in identification of Ambrosia pumila and other co-occurring brodiaea species. • The contractor must have obtained site access permissions for potential sampling occurrences. • The contractor must provide a final data summary in tabular format, including individual sample codes, collection location data, and associated occurrence level data. • The contractor must deposit voucher specimens with the SD Herbarium housed at the San Diego Natural History Museum. • The contractor must communicate with the PI on a weekly or biweekly basis to review project status and make any adjustments to protocols as needed.