Fig. 6From: Biology of Nicotiana glutinosa L., a newly recorded species from an archaeological excavation site in EgyptFrequency distribution of Nicotiana glutinosa individuals in the study area. The size classes: 1: ≤ 10, 2: > 10–20, 3: > 20–30, 4: > 30–40, 5: > 40–50, 6: > 50–60, 7: > 60–70, 8: > 70–80, 9: > 80–90, and 10: > 90 cmBack to article page