Tree tobacco (Nicotiana glauca), an invasive shrub from South America, has been documented at research-grade quality along the La Jolla Coastal Trail in San Diego. This sighting adds to the known spread of this toxic, drought-tolerant plant along Southern California's coastal habitats.
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A research-grade observation of tree tobacco was confirmed at La Jolla Coastal Trail, San Diego — meaning multiple identifiers agreed on the species ID.
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Tree tobacco (Nicotiana glauca) is an invasive species in California coastal habitats, documented as displacing native vegetation.
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The plant contains toxic alkaloids (anabasine) harmful to humans, livestock, and wildlife, raising public safety concerns in a heavily visited recreational area.
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