condition mean min max Sterile Frond 2.0552593333333333 0.0 5.66451 Fertile Frond 0.16259466666666667 0.0 0.487784 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0