condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.09277400000000001 0.0 0.278322 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.085833333333333 0.0 12.2575 Root 0.31950433333333333 0.0 0.713507