condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.9825633333333333 0.0 2.94769 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.34623333333333334 0.0 1.0387 Root 4.2624 0.0 12.7872