condition mean min max Sterile Leaflet 0.2834408333333333 0.0235005 0.541574 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.327507 0.271031 2.3685 Secondary Rachis 0.576465 0.122596 1.38807 Petiole 0.420192 0.196813 0.82976 Crozier 1.4679936666666666 0.306251 2.34413 Root 3.50649 2.36341 4.32467