<cri_photo_page plant_material4 | stock_photo:labs:nat_prod:activities:plant_material:plant_material4_s.jpg | stock_photo:labs:nat_prod:activities:plant_material:plant_material4_l.jpg | stock_photo:labs:nat_prod:activities:plant_material:plant_material4_o.jpg | 26 January 2009 | Plant material >