condition mean min max Sterile Leaflet 3.751637333333333 0.0 11.0733 Fertile Leaflet with Sori 0.22554193333333333 0.0883548 0.419623 Primary Rachis 0.067187 0.0 0.201561 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