condition mean min max Sterile Frond 0.056240000000000005 0.0 0.16872 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 7.14565 0.0 17.4867 Mature Stem with Root 0.1183244 0.0 0.266943 Root 0.0 0.0 0.0