condition mean min max Sterile Frond 0.05169463333333333 0.0 0.132184 Fertile Frond 3.364757 0.598281 7.73715 Young Stem with Root 9.24855 1.60875 14.0852 Mature Stem with Root 3.30882 1.99205 5.71916 Root 2.8238433333333335 1.29544 3.74866