condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0123406 0.0 0.0370218 Young Stem with Root 2.77211 0.0 8.31633 Mature Stem with Root 0.16690139999999998 0.0 0.463367 Root 2.269 0.0 6.807