condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.29916633333333337 0.0 0.897499 Young Stem with Root 4.300133333333333 0.0 12.9004 Mature Stem with Root 0.137625 0.0 0.412875 Root 0.41964 0.0 1.25892