condition mean min max Sterile Frond 12.8221 10.6228 14.7558 Fertile Frond 12.8223 11.3208 14.106 Young Stem with Root 11.060673333333334 7.96241 15.6955 Mature Stem with Root 10.942153333333334 6.92163 16.0843 Root 9.85024 5.52482 12.3982