condition mean min max Sterile Frond 5.2000519999999995 0.675396 13.5034 Fertile Frond 3.26731 2.38789 4.62042 Young Stem with Root 0.5435366666666667 0.0 1.63061 Mature Stem with Root 1.672485 0.994285 2.92872 Root 0.12022833333333333 0.0 0.360685