condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.09692633333333334 0.0 0.290779 Root 11.160433333333332 0.0 33.4813