condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 14.4425 0.0 43.3275 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.22307000000000002 0.0 0.372547 Root 3.7558166666666666 2.49556 4.57662