Keywords: FMIB 40044 Potamogeton heterophyllus (16-17); Potamogeton perfoliatus (18-19).jpeg check categories 4 September 2015 2 Potamogeton heterophyllus 16-17 ; Potamogeton perfoliatus 18-19 16 aquarium specimen; 17 aquarium specimen; 18 winter shoot showing elongation of internodes; 19 growing tips of same Subject Potamogeton Tag Aquatic Botany 1915 Cite book Potamogetons in Relation to Pond Culture Moore Emmeline Washington DC Government Printing Office 1915 Bulletin of the United States Bureau of Fisheries vol 33 1913 Plate XXV Creator Emmeline Moore PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 40044 Images from the Freshwater and Marine Image Bank to check Emmeline Moore Potamogeton |