condition mean min max Sterile Frond 3.6040946666666667 0.0 10.5016 Fertile Frond 3.6043000000000003 0.0 10.8129 Young Stem with Root 0.23642133333333334 0.0 0.709264 Mature Stem with Root 21.462699999999998 0.0 42.8028 Root 1.8291700000000002 0.0 5.48751