condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.07501 0.0 3.22503 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.2370966666666665 0.0 6.21349 Root 0.16552566666666665 0.0 0.496577