condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 12.217339999999998 1.37747 32.971 Young Stem with Root 15.484166666666667 0.0 28.7181 Mature Stem with Root 0.6075394333333333 0.0302213 1.71589 Root 0.44711700000000004 0.0 0.755557