condition mean min max Sterile Frond 0.45073 0.0 1.35219 Fertile Frond 0.98305 0.0 1.82728 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.5048666666666675 0.0 19.5146 Root 0.63631 0.0 1.90893