condition mean min max Sterile Frond 1.31459 1.13068 1.42138 Fertile Frond 4.47402 3.49076 5.50615 Young Stem with Root 2.21728 0.0 6.65184 Mature Stem with Root 4.331383333333334 1.2714 9.0096 Root 9.158769999999999 3.08973 17.4166