condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.67566 0.0 8.02698 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5367000000000001 0.0 1.6101 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0