condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.255126666666667 0.0 9.76538 Young Stem with Root 1.58172 0.0 4.74516 Mature Stem with Root 0.027970033333333335 0.0 0.0839101 Root 1.43184 0.0 3.28269