condition mean min max Sterile Frond 2.36988 1.11996 3.0496 Fertile Frond 6.119276666666667 2.91579 11.7025 Young Stem with Root 18.5611 0.0 55.6833 Mature Stem with Root 8.297363333333333 4.12982 14.2875 Root 13.828570000000001 1.92159 30.9114