condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 9.36549 0.0 24.8616 Young Stem with Root 80.8113 0.0 208.282 Mature Stem with Root 71.60041333333334 2.54034 188.368 Root 156.42973333333333 45.6722 322.948