condition mean min max Sterile Frond 1.8197986666666666 0.486721 4.14903 Fertile Frond 3.916031333333333 0.958724 8.55269 Young Stem with Root 1.3538868 0.0 3.99355 Mature Stem with Root 1.31025 1.00047 1.63324 Root 5.056528 0.0 14.9765