condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.1732899999999997 0.0 5.21688 Young Stem with Root 0.13481933333333332 0.0 0.404458 Mature Stem with Root 8.40211 0.0 18.794 Root 1.2859 0.0 2.67684