condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.7936200000000001 0.0 2.38086 Mature Stem with Root 0.0 0.0 0.0 Root 3.136343333333333 0.0 9.40903