condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.8709753333333333 0.0 2.33078 Young Stem with Root 3.2672233333333334 0.0 9.80167 Mature Stem with Root 0.0 0.0 0.0 Root 3.1034100000000002 0.0 9.31023