condition mean min max Sterile Leaflet 12.4439 6.2706 19.2167 Fertile Leaflet with Sori 8.380286666666667 5.8459 11.4502 Primary Rachis 2.3501233333333333 0.0 4.33957 Secondary Rachis 2.9778200000000004 1.72162 4.26761 Petiole 2.5392633333333334 1.06129 4.30197 Crozier 4.7338700000000005 1.79716 6.26597 Root 1.047039 0.309127 1.75674