condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.41944000000000004 0.0 1.25832 Young Stem with Root 3.9082666666666666 0.0 11.7248 Mature Stem with Root 0.6271313333333333 0.3252 0.785455 Root 1.29033 0.0 3.87099