condition mean min max Sterile Frond 6.64173 5.59103 7.42768 Fertile Frond 7.99427 5.88002 10.9319 Young Stem with Root 8.363073333333332 6.51863 10.9093 Mature Stem with Root 9.52723 8.47871 10.5701 Root 8.02643 6.2355 9.70352