condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.5558866666666666 0.0 4.66766 Mature Stem with Root 0.044942 0.0 0.134826 Root 7.129433333333334 0.0 21.3883