condition mean min max Sterile Frond 0.15254399999999999 0.0 0.457632 Fertile Frond 0.9242499999999999 0.0 2.77275 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.672233333333334 0.42339 10.742 Root 0.0 0.0 0.0