In 2012, the Reading Fire devastated 28,079 acres at California's Lassen Volcanic National Park. Four years later, crews treated 465 acres of bull thistle, helping native plants return

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Lassen Volcanic National Park faces bull thistle invasion after the 2012 Reading Fire. This invasive species thrives on disturbed lands and outcompetes native plants. Park staff and youth crews actively remove bull thistle plants from affected areas. Restoration efforts include sowing native seeds and expanding partnerships for long-term management. The park aims for natural succession to phase out invasive thistles over fifteen years.