condition mean min max Sterile Frond 4.0357 0.0 12.1071 Fertile Frond 1.1918526666666667 0.868658 1.83742 Young Stem with Root 0.26963866666666664 0.0 0.808916 Mature Stem with Root 0.791764 0.458024 1.19442 Root 8.00637 1.18086 19.779