The following working list of rare marine algae for Washington was prepared by Dr. Tom Mumford (Washington State Department of Natural Resources, Aquatic Resources Division), with contributions from Dr. Sandra Lindstrom (University of British Columbia), Dr. Megan Dethier (University of Washington, Friday Harbor Labs), Dr. Michael Hawkes (University of British Columbia) and Dr. J. Robert Waaland (University of Washington).
PHYLUM CHLOROPHYTA
Codium ritteri Setchell & Gardner
PHYLUM PHAEOPHYTA
Desmarestia tortuosa Chapman
Dictyoneuropsis reticulata (Saunders) Smith
Dictyoneurum californicum Ruprecht
Laminaria complanata (Setchell & Gardner) Setchell
Laminaria farlowii Setchell
Laminaria longipes Bory
Laminaria sinclairii (Harvey ex Hooker f. & Harvey) Farlow, Anderson & Eaton
Postelsia palmaeformis Ruprecht
Syringoderma abyssicola (Setchell & Gardner) Levring
PHYLUM RHODOPHYTA
Antithamnion kylinii Gardner
Arthrocardia silvae Johansen
Callithamnion bisporum Gardner
Cumathamnion sympodophyllum Wynne & Daniels
Halosacciocolax kjellmanii Lund
Hollenbergia nigricans (Gardner) Wollaston
Odonthalia washingtoniensis Kylin
Phycodrys riggii Gardner
Polysiphonia seneticulosa Harvey
Porphyra abbottae Krishnamurthy
Porphyra fallax Lindstrom
Porphyra lanceolata (Setchell & Hus) Smith
Porphyra papenfussii Krishnamurthy
Porphyra variegata (Kjellman) Hus
Rhodoglossum minimum Hollenberg
Schizochlaenion rhodotrichum Wynne & Norris
Tayloriella abyssalis Wynne
Tayloriella divaricata Wynne
Thuretellopsis peggiana Kylin
Tokidadendron kurilensis (Ruprecht) Perestenko
Tokidaea chilkatensis Lindstrom & Wynne
Whidbeyella cartilaginea Setchell & Gardner