condition mean min max Sterile Leaflet 38.69983333333333 30.8476 43.2393 Fertile Leaflet with Sori 41.17013333333333 37.7462 46.4475 Primary Rachis 41.6157 29.8692 53.3604 Secondary Rachis 41.6118 30.4546 47.5075 Petiole 50.8973 30.4386 73.7525 Crozier 29.0153 16.7775 48.3536 Root 62.21893333333333 37.7932 86.5209