condition mean min max Sterile Frond 6.2465 0.0 18.7395 Fertile Frond 0.21905733333333333 0.0 0.657172 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.028318866666666664 0.0 0.0849566 Root 0.0 0.0 0.0