condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.5707833333333333 0.0 1.71235 Mature Stem with Root 0.0 0.0 0.0 Root 3.156746666666667 0.0 9.47024