Los Osos, United States of America
Los Osos Oaks State Natural Reserve is a California State Park in western San Luis Obispo County, in the Central Coast of California region. It preserves centuries-old coast live oaks (Quercus agrifolia) growing atop relict sand dunes. It is located in the Los Osos Valley between San Luis Obispo and
Baywood Park-Los Osos, just outside the town of Los Osos. It is also the only place the critically endangered Splitting Yarn or Iron Maiden's Hair lichen Sulcaria isidiifera can be found. The 85-acre (34 ha) park was established in 1972.
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