condition mean min max Sterile Leaflet 4.3301300000000005 3.22428 6.05388 Fertile Leaflet with Sori 4.670883333333333 2.89895 6.95428 Primary Rachis 3.33085 3.04934 3.68931 Secondary Rachis 3.48643 2.68906 4.00234 Petiole 3.2341866666666665 2.59231 3.67457 Crozier 5.14736 4.33101 5.56763 Root 1.94743 1.28473 2.65755