condition mean min max Sterile Frond 6.023258666666667 0.815356 11.2994 Fertile Frond 4.212709 0.476287 7.14404 Young Stem with Root 2.37632 1.16211 3.55284 Mature Stem with Root 1.8606063333333334 0.872669 3.52236 Root 0.98773 0.0 1.67155