condition mean min max Sterile Leaflet 2.271267 0.947691 3.4707 Fertile Leaflet with Sori 0.09830833333333333 0.0 0.294925 Primary Rachis 0.5719006666666666 0.254351 1.15807 Secondary Rachis 0.0 0.0 0.0 Petiole 0.08825 0.0 0.26475 Rhizome 1.331456 0.0 3.26432 Root 0.0 0.0 0.0