condition mean min max Sterile Frond 13.731900000000001 0.0 41.1957 Fertile Frond 7.034230000000001 0.0 18.155 Young Stem with Root 0.15268833333333334 0.0 0.458065 Mature Stem with Root 2.6880433333333333 0.0 4.94803 Root 7.188879999999999 0.0 17.2628