condition mean min max Sterile Leaflet 0.062729 0.0 0.188187 Fertile Leaflet with Sori 0.254438 0.087378 0.412429 Primary Rachis 0.031996500000000004 0.0 0.0959895 Petiole 0.0 0.0 0.0 Crozier 0.226986 0.0 0.469671 Rhizome 0.0 0.0 0.0 Root 5.95523 2.89289 8.71387