condition mean min max Sterile Frond 1.3646479999999999 0.412419 2.76626 Fertile Frond 4.929105 0.0 14.3259 Young Stem with Root 5.883533333333333 0.0 17.6506 Mature Stem with Root 17.3518 0.0 28.7689 Root 16.811413333333334 5.01254 27.9942