condition mean min max Sterile Frond 13.29464 5.87722 21.4607 Fertile Frond 13.75458 4.98845 28.2366 Young Stem with Root 14.088046666666667 9.54104 20.1211 Mature Stem with Root 7.339723333333334 3.58305 12.1751 Root 6.27801 1.35904 11.5162