condition mean min max Sterile Frond 0.231216 0.0 0.375244 Fertile Frond 2.2552333333333334 0.0 6.7657 Young Stem with Root 18.782999999999998 0.0 56.349 Mature Stem with Root 0.11470333333333334 0.0 0.34411 Root 6.278462 0.340906 18.009