Benthic Algae — D awson 
37$ 
Mono stroma grevillei var. lubricum (Kjellman) 
Collins 
Setchell & Gardner, 1920 
Sitka, Alaska 
Monostroma grevillei var. vahlii (J. Agardh) 
Rosenvinge 
Setchell & Gardner, 1920; Okamura, 1933 
Aleutian Islands to Sitka, Alaska 
Mono stroma orbiculatum Thuret 
Setchell & Gardner, 1920 
Central Calif. 
Mono stroma oxyspermum (Kiitzing) Doty 
Scagel, 1957 
Southern British Columbia to southern Calif. 
Mono stroma zostericola Tilden 
Scagel, 1957 
Southern British Columbia to Monterey, Calif. 
Blidingia minima (Nageli) Kylin var. minima 
Scagel, 1957; Dawson, 1959c (as Enteromor- 
pha minima ) 
Dutch Harbor, Alaska, to Mexico 
Blidmgta minima var. subsalsa (Kjellman) Sca- 
gel 
Scagel, 1957 
Skagway, Alaska, to Chetco Cove, Oreg. 
fam. ULVACEAE 
Enteromorpha acanthophora Kiitzing 
Dawson, 1949*2, 1954; Dawson, Neushul, 
Wildman, 1960*2 
Bahia Tortuga, Baja Calif.; Gulf of Calif. 
Enteromorpha ahlneriana Eliding 
Doty, 1947 
North Bend, Oreg. 
Enteromorpha clathrata (Roth) Greville 
Dawson, 1954 (as E. plumosa ) ; Scagel, 1957; 
Dawson, 1959, 1959 b 
Valdez, Alaska, to Carmel, Calif.; Isla Clarion, 
Revillagigedo Arch.; southern Gulf of 
Calif.; Clipperton L 
Enteromorpha compressa (Linnaeus) Greville 
Dawson, 1949a, 1954; Scagel, 1957; Dawson, 
1957£, 1959, 1959c 
Bering Sea to Costa Rica 
Enteromorpha crinita (Roth) J. Agardh 
Taylor, 1945; Dawson, 1959c 
Valdes, Alaska, to San Diego, Calif.; Galapa- 
gos Arch. 
Enteromorpha groenlandica (J. Agardh) Set- 
chell & Gardner 
Setchell & Gardner, 1920 
Bering Sea to Unalaska, Alaska 
Enteromorpha intestinalis (Linnaeus) Link f. 
intestinalis 
Okamura, 1933; Scagel, 1957; Dawson, 1957c 
Kukak Bay, Alaska, to La Paz, Baja Calif.; 
Gulf of Calif. 
Enteromorpha intestinalis f. cylindracea J. 
Agardh 
Scagel, 1957 
Popof L, Alaska, to Mexico 
Enteromorpha intestinalis f. maxima J. Agardh 
Scagel, 1957 
Kukak Bay, Alaska, to Mexico 
Enteromorpha intestinalis f. clavata J. Agardh 
Scagel, 1957 
Kukak Bay, Alaska, to Mexico 
Enteromorpha lingulata J. Agardh 
Dawson, 1954, 1957 b; Taylor, 1945 
Isla Guadalupe, Baja Calif., to Balboa, Canal 
Zone; Galapagos Arch. 
Enteromorpha linza (Linnaeus) J. Agardh 
Dawson, 1954; Scagel, 1957; Dawson, 1959c 
(as Ulva linza) 
Orca, Alaska, to Mexico 
Enteromorpha marginata J. Agardh 
Scagel, 1957 
Vancouver L, British Columbia, to Calif. 
