condition mean min max Sterile Frond 0.8127300000000001 0.0 2.43819 Fertile Frond 22.747799999999998 0.0 68.2434 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.190253 0.0 3.08296 Root 0.96658 0.0 2.89974