condition mean min max Sterile Leaflet 3.32098 0.0 6.5442 Fertile Leaflet with Sori 1.103957 0.838541 1.35324 Primary Rachis 0.447293 0.153034 0.807134 Petiole 0.26241133333333333 0.190087 0.372806 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0