condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.7762333333333333 0.0 2.3287 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.400337 0.330191 8.03564 Root 0.46880879999999997 0.0108754 1.25938