condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.9739599999999999 0.0 2.92188 Young Stem with Root 0.300633 0.0 0.901899 Mature Stem with Root 0.20320833333333332 0.0 0.609625 Root 15.832713333333334 0.0 46.1717