Keywords: FMIB 48487 Pelagophycus Porra, or Elk Kelp.jpeg check categories 19 September 2015 2 Pelagophycus Porra or Elk Kelp Subject Kelps Pelagophycus porra Tag Aquatic Botany 1915 Cite book Potash from Kelp Report United States Dept of Agriculture ; no 100 Cameron Frank K Washington DC Government Printing Office 1915 Plate 22 Frank K Cameron PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 48487 Images from the Freshwater and Marine Image Bank to check Frank K Cameron Pelagophycus porra |