condition mean min max Sterile Frond 62.971000000000004 0.0 188.913 Fertile Frond 28.587124666666664 0.0 85.4571 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.08823633333333335 0.0 0.264709