condition mean min max Sterile Frond 63.967999999999996 0.0 176.463 Fertile Frond 96.893363 0.183319 283.347 Young Stem with Root 0.11059633333333334 0.0 0.331789 Mature Stem with Root 52.69782333333333 3.79407 143.994 Root 2.108671 0.914353 3.93689