condition mean min max Sterile Frond 0.21559799999999998 0.0 0.646794 Fertile Frond 5.62186 0.0 13.7074 Young Stem with Root 0.37725800000000004 0.0 0.825771 Mature Stem with Root 1.9226233333333334 0.8816 2.99057 Root 11.64503 3.93481 23.6449