condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.649873 0.0 1.80785 Mature Stem with Root 12.431340333333333 0.141939 36.3195 Root 5.638471666666667 0.134685 12.1097