condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0477162 0.0 0.109482 Young Stem with Root 2.4407733333333335 0.0 3.78015 Mature Stem with Root 0.22558466666666666 0.0 0.676754 Root 0.0 0.0 0.0