condition mean min max Sterile Frond 0.589915 0.365962 0.89279 Fertile Frond 2.2957833333333335 1.06979 3.07352 Young Stem with Root 1.1969681333333333 0.0756754 3.41819 Mature Stem with Root 1.17831 0.468121 2.39292 Root 14.069461 0.313483 37.3158