condition mean min max Sterile Leaflet 1.006162 0.489303 1.65817 Fertile Leaflet with Sori 3.422005 0.238505 5.90786 Primary Rachis 0.682781 0.0 1.80609 Secondary Rachis 0.6831266666666667 0.0 1.67789 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.152029 0.0 0.456087