About the Consortium
The Consortium of California Herbaria was developed to serve as a gateway to information from California vascular plant specimens that are housed in participant herbaria.
The database now (February 2014) includes information from 1.91 million specimens, all searchable through a single interface.
Originally developed in 2003 around botanical collections from University of California herbaria, the Consortium continues to grow as more collections are added.
Currently, collections from thirty-one institutions are accessible through this interface.
The participating institutions cooperate under the guidelines of a Memorandum of Understanding.
Participation as a data provider to the Consortium database is open to herbaria that meet these Minimum Requirements for data inclusion.
The data included in this database are a snapshot of the California vascular plant collections at partner institutions.
More recent data may be available through the individual herbaria.
Some participating herbaria have collections of fungi, lichens, and bryophytes; those specimens are not included here. The holdings of the participant herbaria are listed in a bar graph and a chart; the county record breakdown is depicted in a set of bar graphs.
Operational details are available on a separate page.
Please send any feedback regarding the specimen data directly to the curator of each participating herbarium.
Another goal of the consortium is to provide coordinate data (latitude/longitude) for as many California specimens as possible. Currently, specimens from all sixteen participating institutions are being georeferenced on a county-by-county basis.
As of July 5, 2013, ~1,001,000
records include latitude and longitude. Using BerkeleyMapper, the georeferenced records returned from any Consortium search can be mapped directly from the Consortium accession results page. Additional search options are available from the draft georeferencing tools page.
The Yellow Flag project is an effort to bring attention to records which have uncertain coordinates. Records are flagged if the coordinates for a specimen fall outside of the known bioregional distribution for that taxon, and these records are excluded from searches by default. Click here for more information about yellow flags.
Lists of new records, new determinations, duplicate records, graphs, comments, links.
More information on California plants may be found through the Jepson Online Interchange for California Floristics, a project of the Jepson Herbarium, UC Berkeley. The following information is available through the Interchange:
Nomenclature and taxonomy
Links from species pages to pertinent sites
California Digital Library; initial funding (2003–2006)
National Science Foundation; planning meeting (2006)
USDA Forest Service; georeferencing (2006 & 2007:
Tehama, Trinity, Shasta, and Siskiyou counties)
Andrew W. Mellon Foundation; digitization of type specimens (2008–2013)
Global Biodiversity Information Facility; georeferencing records of non-native specimens (2008–2009)
Institute of Museum and Library Services (Museums for America program); databasing and georeferencing historical specimens collected in San Diego County (2005–2009).
National Science Foundation; databasing, georeferencing, and technical support (2010-2014), with an additional supplement in 2012
Please cite data retrieved from the Consortium database: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
Data use policy
All users must follow the data use policy.
Staci Markos, Administrative Co-Chair (email@example.com)
Nancy Ruth Morin, Administrative Co-Chair (Nancy.Morin@nau.edu)
David Baxter, Technical Editor (firstname.lastname@example.org)
Richard L. Moe, Emeritus Technical Editor (email@example.com)
Ellen Dean, CCH representative to US Virtual Herbarium (firstname.lastname@example.org)
Mare Nazaire, CCH representative for Southern California (email@example.com)
Please send questions or comments regarding the development and use of these pages to David Baxter (firstname.lastname@example.org).