condition mean min max Sterile Leaflet 1.9939769999999999 0.275633 4.84962 Fertile Leaflet with Sori 2.1403483333333333 0.256525 4.85598 Petiole 0.183276 0.0 0.549828 Crozier 0.6021553333333333 0.0 1.25938 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0