condition mean min max Sterile Frond 0.32162 0.0 0.96486 Fertile Frond 7.05973 0.0 19.7137 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.164166666666667 0.0 11.4878 Root 1.0530633333333335 0.0 3.15919