condition mean min max Sterile Frond 16.384966666666667 13.5855 20.2627 Fertile Frond 15.0407 14.5491 15.3794 Young Stem with Root 19.3127 12.7432 23.5065 Mature Stem with Root 11.6939 11.1151 12.6229 Root 8.91331 7.93369 10.5818