condition mean min max Sterile Leaflet 1.48274 0.0 3.26485 Fertile Leaflet with Sori 2.3270733333333333 2.06057 2.76534 Primary Rachis 4.4365499999999995 2.13661 8.21478 Secondary Rachis 3.03375 1.53417 4.69538 Petiole 4.6361 2.68891 8.25872 Crozier 2.2480633333333335 1.53595 3.38057 Root 3.9909566666666665 2.00334 7.44651