Threadleaf ragwort (Senecio flaccidus) blooms in the summer and again in the fall following summer rains. These three to four foot shrubs sprout small yellow daisy-like flowers. Threadleaf ragwort’s leaves look small and linear, and often the entire shrub looks like it is hanging loose. You can find these shrubs around the Visitor Center and also near dry washes & gravelly trails and roads. Grazing animals avoid eating this plant due to its high concentration of alkaloids that can cause liver damage.
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