condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 3.6039333333333334 0.0 10.8118 Mature Stem with Root 0.0 0.0 0.0 Root 13.9337 0.0 41.8011