condition mean min max Sterile Leaflet 1.3387366666666667 0.0 4.01621 Fertile Leaflet with Sori 4.273033333333333 0.0 10.8654 Primary Rachis 0.0 0.0 0.0 Petiole 0.0276737 0.0 0.0830211 Crozier 2.27889 2.04837 2.50609 Rhizome 0.1346665 0.0252784 0.332399 Root 0.0155429 0.0 0.0466287