condition mean min max Sterile Leaflet 8.235826333333334 0.0 24.2987 Fertile Leaflet with Sori 2.3791433333333334 0.0 7.13743 Primary Rachis 2.2624533333333336 0.0 6.39052 Petiole 0.128185 0.0 0.384555 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0