Gina Min, a member of the California Lichen Society, looks closely at lichen on a large rock during a CALS field trip at the University of California, Davis' McLaughlin Reserve in Lower Lake, Calif., Saturday, Jan. 24, 2026. (AP Photo/Jeff Chiu)

ANGWIN, Calif. (AP), 2/21/26 — Jessica Allen crunched through fallen leaves among Manzanita trees hunting for something few have spotted before: the Manzanita butter clump — a rare and little-known yellow mushroom found, so far, only along North America’s Western coastlines.

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