condition mean min max Sterile Frond 2.1709113333333336 0.290762 5.24382 Fertile Frond 2.52573 1.02976 4.57144 Young Stem with Root 1.6248500000000001 0.0 4.87455 Mature Stem with Root 0.09961233333333334 0.0 0.298837 Root 1.58276 0.0 3.48884