condition mean min max Sterile Frond 6.61656 4.5976 9.0281 Fertile Frond 9.391303333333333 5.10473 16.6532 Young Stem with Root 17.18774 6.34822 25.5882 Mature Stem with Root 11.183173333333333 6.04172 13.9268 Root 8.22443 4.33731 13.6454