condition mean min max Sterile Frond 0.688813 0.296722 0.988459 Fertile Frond 1.979479 0.152698 5.034 Young Stem with Root 1.5539800000000001 0.0 4.66194 Mature Stem with Root 1.600219 0.275131 3.70152 Root 6.4015466666666665 1.3241 16.1239