condition mean min max Sterile Frond 7.51204 0.0 21.0897 Fertile Frond 14.78837 5.97931 24.3153 Young Stem with Root 55.41053333333333 41.1388 71.1619 Mature Stem with Root 22.382569999999998 4.89341 32.6765 Root 20.832726666666666 1.34288 38.0389