condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.31752433333333335 0.0 0.952573 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 2.9714103333333335 0.0 8.05314