condition mean min max Sterile Frond 9.09334 1.62742 14.1845 Fertile Frond 12.30287 4.73261 21.7073 Young Stem with Root 29.238599999999998 22.1391 43.1023 Mature Stem with Root 27.214526666666668 7.49098 39.4219 Root 22.599 8.6126 34.3594