condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 4.3473999999999995 0.0 13.0422 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.18837133333333334 0.0 0.565114