condition mean min max Sterile Frond 2.6077399999999997 0.0 6.2245 Fertile Frond 1.2006846666666666 0.448294 2.6808 Young Stem with Root 1.0686546666666668 0.0 2.55527 Mature Stem with Root 0.7874500000000001 0.0 2.36235 Root 0.39361 0.0 1.18083