condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.53272 0.0 7.59816 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 10.146893333333333 2.32068 16.888 Root 4.295553333333333 2.2271 5.72911