condition mean min max Sterile Frond 2.138465666666667 0.155157 5.2325 Fertile Frond 3.431125 0.718345 8.01378 Young Stem with Root 20.9668666680165 0.0 62.9006 Mature Stem with Root 4.113728 0.839654 9.03151 Root 16.437282333333336 0.479267 39.4879