condition mean min max Sterile Frond 8.303023 0.840569 14.061 Fertile Frond 10.73782 2.15552 23.3687 Young Stem with Root 10.153976666666667 6.15003 13.5831 Mature Stem with Root 10.238389999999999 5.88481 16.2339 Root 3.738935 0.250201 10.1365