condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.37463 0.0 1.12389 Crozier 1.2018233333333332 0.0 1.98583 Rhizome 1.955606 0.387228 3.5507 Root 13.106496666666667 9.40199 17.0624