condition mean min max Sterile Frond 1.26847 0.0 2.31193 Fertile Frond 3.3445033333333334 0.0 5.02868 Young Stem with Root 1.317566 0.0 3.17064 Mature Stem with Root 8.25334 1.16827 16.0846 Root 20.877156666666664 9.61357 36.3056