condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.12174499999999999 0.0 0.365235 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.900246666666667 0.0 6.40106 Root 0.11053633333333333 0.0 0.331609