condition mean min max Sterile Leaflet 5.7170966666666665 0.0 15.8882 Fertile Leaflet with Sori 0.5109466666666667 0.0 1.14699 Primary Rachis 0.347184 0.0 0.656627 Petiole 0.238012 0.0 0.714036 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0