condition mean min max Sterile Leaflet 0.16256 0.0 0.48768 Fertile Leaflet with Sori 2.3547933333333333 0.0 3.97387 Primary Rachis 0.0 0.0 0.0 Petiole 0.144918 0.0 0.434754 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0