condition mean min max Sterile Frond 6.612702666666667 0.850718 16.949 Fertile Frond 1.4543426666666666 0.952538 1.90515 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0