condition mean min max Sterile Leaflet 0.7865610000000001 0.0 1.82061 Fertile Leaflet with Sori 0.5136933333333333 0.0 1.54108 Primary Rachis 2.2874333333333334 0.0 5.70473 Petiole 0.402581 0.0 1.04569 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0