condition mean min max Sterile Frond 4.931052 0.535656 11.4569 Fertile Frond 1.2185996666666667 0.315518 2.73847 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.105836 0.0 0.317508 Root 0.08823633333333335 0.0 0.264709