This event is in the past.It took place on December 13, 2025 at Tilden Regional Park.
Educational Talk
Educational TalkDiscover the secret lives of lichens with Dr. Klara Scharnagl, a Jepson Herbarium lichenology expert. She'll reveal the astonishing diversity and forms hiding in plain sight at Tilden's botanic garden.
Nature walk
Educational
Expert-led tour
Botany
Tips
đSpace is limited, sign-up required
Lichen Walk
Orinda
Educational TalkEducational TalkDiscover the secret lives of lichens with Dr. Klara Scharnagl, a Jepson Herbarium lichenology expert. She'll reveal the astonishing diversity and forms hiding in plain sight at Tilden's botanic garden.
Nature walk
Educational
Expert-led tour
Botany
Tips
đSpace is limited, sign-up required
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