condition mean min max Sterile Leaflet 0.022013133333333334 0.0 0.0660394 Fertile Leaflet with Sori 0.0 0.0 0.0 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 11.274403433333335 0.0 33.7334