condition mean min max Sterile Leaflet 2.9977473333333333 0.387002 6.43568 Fertile Leaflet with Sori 1.25627 0.0 3.76881 Primary Rachis 1.5885470000000002 0.0 4.40643 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0