condition mean min max Sterile Leaflet 0.021465833333333333 0.0 0.0643975 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.6515770000000001 0.0 1.52364 Crozier 0.0 0.0 0.0 Rhizome 0.2587526666666667 0.0 0.663996 Root 3.17999 2.51012 4.49284