condition mean min max Sterile Leaflet 0.31817966666666664 0.0 0.633377 Fertile Leaflet with Sori 1.119211 0.236091 2.26394 Primary Rachis 0.1417312 0.0984116 0.168935 Petiole 0.1319352 0.0988442 0.198014 Crozier 0.0 0.0 0.0 Rhizome 0.6611113333333334 0.186638 1.46563 Root 5.28764 1.23955 13.1936