condition mean min max Sterile Frond 20.318196666666665 0.0 59.8602 Fertile Frond 4.72154 0.0 11.1276 Young Stem with Root 15.885272333333333 0.514566 46.4508 Mature Stem with Root 19.904878 0.0 58.8465 Root 1.90381 0.0 5.71143