Welcome to the California Lichen Society!

California’s State Lichen, Lace Lichen (Ramalina menziesii). Read more about how CALS made California the first to have a state lichen.

CALS Board member Kate Bauer led a Lichen Enrichment field trip today at Long Ridge Open Space Preserve for Midpen Docent Naturalists and 2 Midpen staff members. "We encountered wind, mud, rain, hail, snow, and the temperature never got out of t
We all know that fungi are an integral part of the lichen world. A new @apnews article beautifully weaves the two together, while highlighting their importance, conservation issues, and great moments during our January Annual Meeting in Lake County.
CALS members Ken Kellman and Lise Peterson led a Valentine's Day lichen walk at Wilder Ranch State Park. Lichen-curious attendees learned about form, color, and reproductive strategies -- but more importantly, they learned where to look for lichens:
CALS member Ken Kellman giving an introductory lichen talk to a very engaged audience of 60 at the Santa Cruz Museum of Natural History. After the talk (and a very lively Q&A period), attendees took to the microscopes to take a closer look at som
How cute are these California Lichen Society Annual Meeting attendees??! 🥺 #lichen #californialichensociety #CALS #community #nature
Dr. Jessi Allen gives an impromptu lecture on reproductive strategies in lichens at the CALS annual meeting!
Some awesome haiku, lo-ku poetry time atop a lichen covered rock at the #CALS Annual Meeting yesterday. #lichen #californialichensociety #poetry #nature
CALS members in the news - a lecture coming up in early February by our own CALS board member, Ken Kellman, in Santa Cruz!
Registration for our Annual Meeting is now open! Link in bio! Our annual meeting will be at the McLaughlin Reserve near Lower Lake, California. The main events will be on Saturday, January 24. We will explore the Reserve for lichens during the day,
We are thrilled to announce that the California Lichen Society will be hosting our annual meeting in January. Please make plans to join us for a symbiotically good time of lichenizing, learning, and socializing with other lichen enthusiasts! Everybod