condition mean min max Sterile Leaflet 11.415150333333333 0.355151 17.8568 Fertile Leaflet with Sori 9.06958 4.62411 17.5768 Primary Rachis 1.735007 0.959821 3.02773 Petiole 2.1051633333333335 1.10173 3.38104 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0