condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.2735366666666668 0.0 6.82061 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.3186906666666667 0.0 0.619723 Root 1.7481039999999999 0.182572 3.39105