How did seeing the dandelion in the schoolyard set off a chain reaction that saved the everdeen family?

In "The Hunger Games," seeing the dandelion in the schoolyard reminded Katniss Everdeen of her father's teachings about foraging and survival. It sparked her determination to find food for her family during dire times. This memory inspired her to gather edible plants, which ultimately helped sustain her family through difficult periods, showcasing the significance of small moments and memories in shaping resilience and resourcefulness.