condition mean min max Sterile Frond 0.08927600000000001 0.0 0.267828 Fertile Frond 1.1269150000000001 0.0 2.43419 Young Stem with Root 14.45128 3.34585 35.9971 Mature Stem with Root 18.673633333333335 8.2552 32.3217 Root 36.7753 22.0212 58.1279