condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.7976433333333333 0.0 1.41237 Mature Stem with Root 1.1373303333333333 0.352481 1.74881 Root 8.9065 1.14531 16.0519