condition mean min max Sterile Leaflet 0.1811172 0.0641886 0.355448 Fertile Leaflet with Sori 2.5217566666666666 0.0 4.64321 Petiole 3.737717 0.127151 10.6405 Crozier 0.236502 0.0 0.709506 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0