condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.5818333333333334 0.0 10.7455 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 9.736153333333334 4.01297 17.6645 Root 17.73951 1.39833 40.7264