condition mean min max Sterile Frond 4.58476 4.06719 4.86791 Fertile Frond 6.432756666666666 3.50581 11.5814 Young Stem with Root 6.96786 6.00945 8.44493 Mature Stem with Root 7.68919 6.98485 8.95205 Root 6.54458 5.0699 8.0092