condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.075062 0.0 0.225186 Mature Stem with Root 1.4284506666666668 0.0 3.77198 Root 9.222093333333333 0.0 26.2466