condition mean min max Sterile Frond 5.13063 2.38938 8.52902 Fertile Frond 5.7471 4.29797 7.41254 Young Stem with Root 7.825536666666666 1.34805 17.404 Mature Stem with Root 7.481459999999999 6.74351 7.92707 Root 0.8070946666666667 0.0 1.72219