condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.9195066666666666 0.0 2.75852 Mature Stem with Root 0.0097371 0.0 0.0292113 Root 4.42948 0.0 13.1697