condition mean min max Sterile Frond 0.07848233333333333 0.0 0.235447 Fertile Frond 0.268623 0.0 0.805869 Young Stem with Root 2.2892733333333335 0.0 6.86782 Mature Stem with Root 1.66091 0.0 4.98273 Root 0.0 0.0 0.0