condition mean min max Sterile Frond 2.7112866666666666 0.0 6.15872 Fertile Frond 0.94958 0.0 1.72226 Young Stem with Root 0.179175 0.0 0.537525 Mature Stem with Root 3.932578 0.791194 5.85634 Root 0.9038733333333333 0.0 2.71162