This discussion, “Bioluminescent and UV Fluorescent Organisms of California,” will give a wide survey of California’s glowing organisms, where to find them, how to see them, and how to document them. Attendees should dress for weather. If possible, bring a flashlight, cell phone, water bottle, paper, and pencil. Registration: $35 non-members; $25 members. 3:30–5:30 p.m. Saturday, January 11. Mendocino Coast Botanical Gardens Farmhouse. 18220 N. Hwy. 1, Fort Bragg. For details, email [email protected]. gardenbythesea.org.