condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 5.485600000000001 0.0 16.4568 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.4077433333333333 0.0 5.99465 Root 0.19667766666666667 0.0 0.590033