• Evening Program at new time and place. Wednesday, September 10, doors open at 5:45 p.m., lecture at 6:00, social hour afterwards. D Street Neighborhood Center, Arcata. California Trees. Michael Kauffmann will explain his new field guide co-authored with Matt Ritter, California Trees: A Field Guide to the Native Species. From the towering redwoods to the otherworldly Joshua trees, Michael will take us on a journey through the state’s diverse landscapes. A book signing will follow the presentation. Details HERE.

• Identification Sessions, Register for reminders HERE.

• Field Trips: see Calendar.