condition mean min max Sterile Frond 25.9663 0.0 53.0013 Fertile Frond 30.379566666666665 0.0 59.9128 Young Stem with Root 22.5868 0.0 47.0931 Mature Stem with Root 29.1703 0.0 65.4693 Root 18.283866666666665 0.0 32.4359