condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.9899066666666665 0.0 5.96972 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 10.50617 0.0 28.1714 Root 1.0134413333333332 0.0 2.5248