condition mean min max Sterile Frond 2.2754600000000003 0.0 6.82638 Fertile Frond 0.14070666666666667 0.0 0.42212 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