condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.26289599999999996 0.0 0.788688 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.837164666666666 0.142944 18.6192 Root 1.6344266666666667 0.6962 2.79395