condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.625555 0.0 10.2785 Young Stem with Root 9.7027 0.0 29.1081 Mature Stem with Root 0.557402 0.242632 0.90582 Root 8.116371333333333 0.263714 18.5922