condition mean min max Sterile Frond 17.225233333333332 15.6491 20.112 Fertile Frond 17.0765 15.6436 18.8524 Young Stem with Root 17.974013333333335 9.09994 22.6519 Mature Stem with Root 15.4803 11.3193 19.9108 Root 14.6308 13.5856 15.839