condition mean min max Sterile Frond 3.746373333333333 3.42157 4.0633 Fertile Frond 5.06561 3.72201 7.56747 Young Stem with Root 18.90757 2.03921 28.6233 Mature Stem with Root 5.966943333333333 2.45674 12.0039 Root 8.97873 6.29594 12.5401