condition mean min max Sterile Frond 19.5172 15.2886 25.1225 Fertile Frond 16.4754 16.1424 16.8453 Young Stem with Root 10.37443 6.28009 14.4223 Mature Stem with Root 14.8752 12.3936 17.7648 Root 11.794463333333333 8.23595 18.3794