condition mean min max Sterile Frond 7.70701 2.75649 15.3201 Fertile Frond 13.703339999999999 6.75737 24.7232 Young Stem with Root 8.2662 5.28519 11.8988 Mature Stem with Root 6.75807 4.80348 8.97239 Root 2.0803896666666666 0.652921 4.59614