Data Usage Policy

The Consortium of California Herbaria (CCH) provides access to collection data from multiple institutions. Use of any specimen data accessed through the CCH requires adherence to the terms and conditions in the following data usage policy:
  1. These data are intended for use in education and research and may not be reposted, repackaged, redistributed, or sold in any form. Links or references to the CCH pages are encouraged.
  2. Data may be downloaded to files and altered in format for analytical purposes, however the data should be referenced using the suggested citation "Data provided by the participants of the Consortium of California Herbaria ("
  3. The quality and completeness of data cannot be guaranteed. Users employ these data at their own risk.
  4. Data errors should be reported to the herbarium of origin.
  5. Neither the participating herbaria nor the CCH is responsible for any misuse, misinterpretation, or unintended consequences of use of the data. The data are provided "as-is" and no warranty is given or implied as to their accuracy, currency, completeness, or appropriateness for use. Data users are encouraged to personally verify data before use in critical applications.
  6. Where applicable, users shall respect restrictions of access to sensitive data.
  7. The CCH may update or make changes to the data provided at any time without notice. However, the CCH makes no commitment to update the information contained herein. Questions concerning the data should be directed to the Technical Editor, Jason Alexander (, or the contact listed for individual herbaria.
  8. The CCH display includes links to other websites; for use of that material (for example, specimen images, archival data) please consult the pertinent website.