condition mean min max Sterile Frond 4.946162 0.146399 14.2527 Fertile Frond 0.46868256666666663 0.0335419 1.27263 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.18923533333333334 0.0 0.365409 Root 0.0 0.0 0.0