Mistletoe on oak tree Advanced 09/09/2015 European Holly Beginner 09/09/2015 Red maple leaf Beginner 06/30/2015 Horsehair parachute Advanced 06/23/2015 Dortmund-Ems Canal Advanced 06/21/2015 The Chemistry of Stinging Nettles Intermediate 06/09/2015 Bee Orchid Advanced 05/25/2015 Chloroplast Cross Section - Labeled Intermediate 05/19/2015 Plant Cell - Unlabeled Intermediate 05/19/2015 Plant Cell - Labeled Intermediate 05/19/2015