condition mean min max Sterile Leaflet 3.5562433333333336 0.0 8.11832 Fertile Leaflet with Sori 1.0680566666666667 0.0 3.20417 Primary Rachis 0.0 0.0 0.0 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