condition mean min max Sterile Frond 0.72066 0.0 2.16198 Fertile Frond 0.7322253333333333 0.0 1.73732 Young Stem with Root 1.64222 0.0 4.61022 Mature Stem with Root 3.4793079999999996 0.0 10.0765 Root 2.455432 0.382406 4.72344