condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.374359 0.0 0.997719 Mature Stem with Root 5.969123333333333 1.25831 15.1585 Root 1.8939536666666665 0.238011 3.37112