condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.282726 0.0 0.848178 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.06991 1.15603 4.67122 Root 0.22750533333333334 0.0 0.682516