condition mean min max Sterile Frond 3.27987 1.06468 7.27271 Fertile Frond 1.7008569999999998 0.712861 2.61399 Young Stem with Root 0.17389866666666667 0.0 0.521696 Mature Stem with Root 0.19777533333333333 0.0 0.593326 Root 0.0 0.0 0.0