The photos on CaliforniaLichens.org are primarily from CALS field trips, but some sets are from other activities. All should be considered copyrighted by the photographer and their use on CaliforniaLichens.org is by permission of the photographer. Photos may not be used in other websites with the exception of search engines such as in the Images page of a Google search.
Also note that field trips are frequently reported on in the Bulletin of the California Lichen Society.
Galleries: