condition mean min max Sterile Frond 0.252153 0.0 0.756459 Fertile Frond 0.41816000000000003 0.0 1.25448 Young Stem with Root 0.11686800000000001 0.0 0.350604 Mature Stem with Root 2.2141033333333335 0.0 6.64231 Root 0.16868866666666668 0.0 0.506066