condition mean min max Sterile Frond 3.9579 0.0 11.8737 Fertile Frond 0.7236466666666667 0.0 2.17094 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.032568400000000004 0.0 0.0977052 Root 0.0 0.0 0.0