condition mean min max Sterile Frond 0.5367566666666667 0.0 1.61027 Fertile Frond 0.271405 0.0 0.814215 Young Stem with Root 4.1068 0.0 12.3204 Mature Stem with Root 3.88277 0.0 10.2098 Root 5.252178 0.251701 14.8095