condition mean min max Sterile Frond 77.75506666666666 71.7342 83.2081 Fertile Frond 61.342299999999994 48.7356 70.9557 Young Stem with Root 17.1066 16.0016 18.7205 Mature Stem with Root 15.240499999999999 13.6235 18.1345 Root 8.6004 7.5853 9.35887