condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.4469566666666667 0.0 4.34087 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 8.560929999999999 0.0 15.8492 Root 0.45949833333333334 0.0 0.805253