condition mean min max Sterile Frond 19.98595 4.68505 29.5772 Fertile Frond 14.12907 5.24541 21.263 Young Stem with Root 17.7865 12.7945 25.4875 Mature Stem with Root 20.946733333333334 15.5926 23.7754 Root 8.640453333333333 4.47292 12.1858