condition mean min max Sterile Frond 0.11506833333333333 0.0 0.345205 Fertile Frond 1.812324 0.0 5.02886 Young Stem with Root 2.7505433333333333 0.0 8.25163 Mature Stem with Root 3.24628 0.0 6.90364 Root 4.88799 0.0 12.5601