condition mean min max Sterile Leaflet 1.4331397333333333 0.0896392 2.75327 Fertile Leaflet with Sori 2.1238413333333335 0.864744 3.18384 Primary Rachis 1.3340963333333333 0.0 3.16836 Petiole 0.300333 0.0 0.452019 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0