condition mean min max Sterile Leaflet 2.9459653333333335 0.664826 4.15043 Fertile Leaflet with Sori 1.7060313333333332 0.954484 2.18724 Primary Rachis 0.175629 0.10245 0.220613 Secondary Rachis 0.5646450000000001 0.297825 0.878217 Petiole 0.11784503333333333 0.0429301 0.172165 Crozier 0.607317 0.215517 0.944945 Root 5.98178 5.25973 6.54836