condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.10170799999999999 0.0 0.155073 Young Stem with Root 0.274185 0.0 0.822555 Mature Stem with Root 2.95403 0.0 7.35776 Root 0.5391636666666666 0.0 1.48497