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