condition mean min max Sterile Leaflet 3.6277000000000004 0.0 10.8831 Fertile Leaflet with Sori 0.5802999999999999 0.0 1.7409 Primary Rachis 0.6804466666666666 0.0 2.04134 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