condition mean min max Sterile Frond 0.16155166666666668 0.0 0.484655 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.0688199999999999 0.0 3.20646 Mature Stem with Root 0.0 0.0 0.0 Root 12.481133333333332 0.0 37.4434