condition mean min max Sterile Frond 0.8796269999999999 0.0 2.18815 Fertile Frond 2.987165 0.224375 5.25343 Young Stem with Root 2.07147 1.16611 2.70277 Mature Stem with Root 0.700107 0.206438 1.17112 Root 0.070701 0.0 0.212103