condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.03413 0.0 0.10239 Primary Rachis 0.0216684 0.0 0.0650052 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.1594764 0.0538252 0.248314 Root 19.4362 16.8844 21.3238