condition mean min max Sterile Leaflet 12.967646666666667 8.23244 16.66 Fertile Leaflet with Sori 8.371913333333334 7.05977 10.6346 Primary Rachis 13.3466 11.4562 17.0124 Secondary Rachis 11.43256 8.22688 17.4027 Petiole 16.137233333333334 13.2785 19.0625 Crozier 20.0414 16.5396 22.6895 Root 22.6755 13.1299 40.7911