condition mean min max Sterile Frond 0.8167386666666667 0.22166 1.33217 Fertile Frond 2.98123 1.57252 4.7677 Young Stem with Root 10.126908333333335 0.0 29.9233 Mature Stem with Root 1.93717 1.54709 2.26352 Root 12.58052 1.64942 30.9881