Figure 3From: Wild edible plant knowledge, distribution and transmission: a case study of the Achí Mayans of GuatemalaDistribution of the main sources of general knowledge by age classes. Age Classes: 1 (7–13 yr); 2 (14–20 yr); 3 (21–30 yr); 4 (31–40 yr); 5 (>40 yr).Back to article page