condition mean min max Sterile Frond 19.0623 0.0 57.1869 Fertile Frond 5.085 0.0 15.255 Young Stem with Root 0.01632456666666667 0.0 0.0489737 Mature Stem with Root 0.058269999999999995 0.0 0.17481 Root 0.0 0.0 0.0