condition mean min max Sterile Leaflet 2.425136666666667 1.95062 2.90165 Fertile Leaflet with Sori 2.5337323333333335 0.942107 3.77314 Primary Rachis 0.6413449999999999 0.535829 0.759304 Petiole 2.2052899999999998 1.31247 3.78348 Crozier 0.9478399999999999 0.0 2.56973 Rhizome 8.210886666666667 5.64612 12.2038 Root 7.65327 6.9692 8.31096