condition mean min max Sterile Frond 0.8989496666666666 0.357839 1.54359 Fertile Frond 1.272406 0.413255 2.68883 Young Stem with Root 2.80912 1.70646 3.86465 Mature Stem with Root 1.48998 1.08901 1.94128 Root 1.1130153333333332 0.581976 1.58077