condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.57684 0.0 1.73052 Young Stem with Root 2.6664266666666667 0.0 7.99928 Mature Stem with Root 0.227392 0.0 0.682176 Root 3.2403399999999998 0.0 9.72102