condition mean min max Sterile Frond 94.7587 0.0 254.0 Fertile Frond 85.02623333333334 0.0 227.817 Young Stem with Root 89.9725 0.0 230.504 Mature Stem with Root 50.03603333333333 0.0 127.701 Root 31.3589 0.0 82.2928