condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 8.137233333333333 0.0 24.4117 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 36.90029 6.75497 56.4039 Root 2.9736730000000002 0.0 8.14061