condition mean min max Sterile Leaflet 9.114943333333335 1.55679 18.5772 Fertile Leaflet with Sori 7.14743 1.90777 12.4277 Primary Rachis 3.841073333333333 1.22123 7.36731 Secondary Rachis 4.5765 1.51147 7.98826 Petiole 4.063193333333333 1.18659 6.22988 Crozier 4.67166 2.72668 7.20393 Root 4.13203 1.55083 5.54543