condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 6.301286 0.792198 12.0977 Young Stem with Root 51.953383333333335 4.53125 81.2552 Mature Stem with Root 46.76637 0.34411 134.434 Root 163.23636666666667 38.3529 394.425