condition mean min max Sterile Leaflet 2.735082333333333 0.0 8.0361 Mature Sterile Leaflet 0.33212566666666665 0.0 0.82533 Fertile Leaflet with Sori 0.21507600000000002 0.0 0.645228 Petiole 0.0 0.0 0.0 Crozier 0.18006766666666665 0.0 0.540203 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0