condition mean min max Sterile Frond 4.193595 0.185155 10.7446 Fertile Frond 4.260269 0.098557 11.5725 Young Stem with Root 0.4853423 0.0448489 0.918694 Mature Stem with Root 0.6021540000000001 0.0 1.67931 Root 0.8001033333333334 0.0 2.40031