SHRUBS Dive into the mysteries of chaparral, a plant community that covers 3 percent of Earth's surface and nurtures 20 percent of its biodiversity.

Presented by Save Mount Diablo, in partnership with Mount Diablo Interpretive Association.

Featuring Heath Bartosh, Seth Adams, Robert Doyle, Lindsey Hendricks, Brian Peterson, Cyndy Shafer.

Photographs: Scott Hein, Stephen Joseph, Troy Montemayor

and Seth Adams, Heath Bartosh, Steve Edwards, Brad Heckman, Helovi/istock, Joan Hamilton, Shawn Hanrahan/Texas A&M, Jepson Herbarium, Al Johnson, Neal Kramer/Strybing Arboretum, SWKrullImaging/iStock, Kit Leong/iStock, Marshman, Troy Montemayor, Carl Osborn, Bill Sattler, San Ramon Valley Fire Protection District, Arturo Reina Sanchez, Spyglass Hill, Terry Tomkins/USDA, Charles Webber/Cal Academy of Sciences, Westphalia/iStock

Music: Phil Heywood, Steve Arnold, Podington Bear

Illustration: Laura Cunningham, Bay Nature Magazine

Production, Narration: Joan Hamilton. First published in 2019.