condition mean min max Sterile Frond 0.437463 0.0 1.08581 Fertile Frond 7.123476666666667 0.0 15.029 Young Stem with Root 0.10364933333333333 0.0 0.310948 Mature Stem with Root 0.43558899999999995 0.0 0.678398 Root 0.0 0.0 0.0