condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.070117 0.0 0.210351 Mature Stem with Root 5.0429433333333336 0.0 12.1828 Root 0.5194133333333333 0.0 1.07253