condition mean min max Sterile Leaflet 4.1203373333333335 0.721172 9.99758 Fertile Leaflet with Sori 3.73265 2.17135 5.26776 Primary Rachis 0.27769 0.0 0.567892 Secondary Rachis 1.7906823333333333 0.861657 3.28791 Petiole 0.09780900000000001 0.0 0.147798 Crozier 0.0 0.0 0.0 Root 0.61689 0.0 1.85067