condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.22607446666666667 0.0 0.585341 Young Stem with Root 2.9820363333333337 0.0 8.53405 Mature Stem with Root 9.386579999999999 3.24449 19.0281 Root 38.333964333333334 0.898793 102.939