condition mean min max Sterile Leaflet 0.5120246666666667 0.0 1.28236 Fertile Leaflet with Sori 0.18932200000000002 0.0 0.399251 Primary Rachis 0.0 0.0 0.0 Petiole 0.1306 0.0 0.3918 Crozier 0.0 0.0 0.0 Rhizome 0.056528999999999996 0.0 0.169587 Root 4.9807733333333335 3.17208 6.37793