condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.0746033333333334 0.0 3.22381 Mature Stem with Root 0.0 0.0 0.0 Root 3.20252 0.0 9.60756