condition mean min max Sterile Leaflet 141.77214333333333 3.35843 250.04 Fertile Leaflet with Sori 47.01755000000001 2.60963 135.437 Primary Rachis 0.198114 0.0 0.594342 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