condition mean min max Sterile Leaflet 3.9215 0.0 11.7645 Fertile Leaflet with Sori 2.3255026666666665 0.0 6.59129 Primary Rachis 2.003089 0.0 5.6308 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