condition mean min max Sterile Frond 9.65076 4.67068 12.6052 Fertile Frond 9.75904 4.64332 13.9365 Young Stem with Root 9.29177 7.08206 11.3755 Mature Stem with Root 8.62498 5.96698 13.3327 Root 4.35561 3.28697 5.19657