condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.03832833333333333 0.0 0.114985 Mature Stem with Root 0.0 0.0 0.0 Root 7.655115333333334 0.0 22.5345