condition mean min max Sterile Leaflet 0.22890333333333335 0.0 0.68671 Fertile Leaflet with Sori 0.4394 0.0 1.3182 Petiole 0.635389 0.0 1.55022 Crozier 2.563338 0.329324 4.88776 Rhizome 1.49967 0.0 3.4649 Root 0.0 0.0 0.0