condition mean min max Sterile Frond 4.300253333333333 0.0 10.8547 Fertile Frond 0.648698 0.0 1.46549 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.6308049999999996 0.0 10.379 Root 0.0 0.0 0.0