condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.18554800000000002 0.0 0.556644 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.5124886666666667 0.0 0.948091 Root 2.9140093333333335 0.51518 7.49183