condition mean min max Sterile Frond 26.466866666666665 26.0889 26.6619 Fertile Frond 20.438499999999998 18.3786 21.8676 Young Stem with Root 15.95895 9.33265 24.3458 Mature Stem with Root 16.67067 5.99951 25.0289 Root 10.37956 9.13006 12.3737