condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.15293199999999998 0.0 0.458796 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.8630799999999998 0.0 2.84474 Root 3.769975666666667 0.201869 10.8916