condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.09141733333333334 0.0 0.274252 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.10650566666666667 0.0 0.319517 Stolon 0.10323500000000001 0.0 0.309705 Stolon with Root 19.781735333333334 0.0 59.0439