condition mean min max Sterile Frond 2.0212266666666667 0.0 4.87227 Fertile Frond 0.55975 0.0 1.67925 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.04494833333333333 0.0 0.134845