condition mean min max Sterile Frond 5.141343333333333 2.61532 7.55721 Fertile Frond 4.941047999999999 0.934864 8.79642 Young Stem with Root 2.2500733333333334 1.18869 3.27023 Mature Stem with Root 1.8635000000000002 0.10485 3.60909 Root 0.0658 0.0 0.1974