condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 8.521933333333333 0.0 25.5658 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.183006 0.0 0.549018 Root 0.7917673333333334 0.0 1.65338