condition mean min max Sterile Leaflet 0.173408 0.0 0.271314 Fertile Leaflet with Sori 0.9675706666666667 0.249642 1.56881 Primary Rachis 0.34447999999999995 0.0 1.03344 Secondary Rachis 0.5564563333333333 0.341894 0.848024 Petiole 1.498781 0.861063 1.92068 Crozier 0.819377 0.0 2.21454 Root 2.8327 2.34995 3.11684