condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0286032 0.0 0.0858096 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.2436399999999996 0.0 9.73092 Root 0.056369333333333334 0.0 0.169108