condition mean min max Sterile Frond 0.7988453333333334 0.25667 1.58721 Fertile Frond 1.381247 0.857601 2.23046 Young Stem with Root 15.16076 2.03558 31.1203 Mature Stem with Root 2.4321099999999998 1.1205 3.54926 Root 0.35257953333333336 0.0747376 0.760463