condition mean min max Sterile Frond 0.034875333333333335 0.0 0.104626 Fertile Frond 0.039633 0.0 0.118899 Young Stem with Root 1.69981 0.0 5.09943 Mature Stem with Root 0.119433 0.0 0.223033 Root 3.699726666666667 0.0 6.26355