condition mean min max Sterile Frond 0.6077899999999999 0.0 1.82337 Fertile Frond 0.4889266666666667 0.0 1.46678 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.421385 0.609625 4.98265 Root 6.25288 0.0 17.4322