condition mean min max Sterile Frond 0.38120699999999996 0.0 1.03432 Fertile Frond 0.4162628333333333 0.0 1.1864 Young Stem with Root 1.7684889999999998 0.0 4.9815 Mature Stem with Root 21.185363333333335 0.0 55.2451 Root 28.174166666666668 0.0 71.5236