condition mean min max Sterile Frond 0.017489566666666668 0.0 0.0524687 Fertile Frond 0.042832 0.0 0.128496 Young Stem with Root 6.356619333333334 0.675558 11.1521 Mature Stem with Root 14.079908000000001 0.171124 39.5065 Root 23.44611 6.20463 40.0561