condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.05152233333333334 0.0 0.154567 Mature Stem with Root 0.917578 0.568481 1.54547 Root 8.600949333333334 0.304028 18.2297