Benthic Algae — D awson 
377 
Chaetomorpha exposita (B0rgesen) Dawson 
Dawson, 195 4c 
Isla San Benedicto, Revillagigedo Arch. 
Chaetomorpha gracilis Kiitzing 
Dawson, 1954c 
Isla San Benedicto, Revillagigedo Arch. 
Chaetomorpha indica Kiitzing 
Dawson, 1960^ 
Isla del Rey, Panama 
Chaetomorpha lino ides ( C. Agardh ) Kiitzing 
Dawson, 1954 
Cabo San Lucas, Baja Calif.; Mazatlan, Sinaloa 
Chaetomorpha linum (Miiller) Kiitzing 
Dawson, 1954; Taylor, 1945; Dawson, 1959 
Isla Cedros, Baja Calif.; Isla Carmen, Gulf of 
Calif.; Galapagos Arch. 
Chaetomorpha melagonium (Weber & Mohr) 
Kiitzing 
Setchell & Gardner, 1920; Okamura, 1933 
Aleutian Islands to Kodiak I., Alaska 
Chaetomorpha pachynema Montagne 
Dawson, 1954 
Punta Palmilla, Baja Calif. 
Chaetomorpha tenuis sima Jao 
Scagel, 1957 
Northern Wash. 
Chaetomorpha torta ( Farlow ) McClatchie 
Setchell & Gardner, 1920; Dawson, 1945£, 
1949^, 1954, 1959c; Dawson, Neushul, 
Wildman, I960 
Southern Calif, to Isla Magdalena, Baja Calif. 
Cladophora alhida (Hudson) Kiitzing 
Scagel, 1957; Dawson, 1954, 1959, I960* 
Southern British Columbia to northern Wash.; 
San Pedro, Calif.; Gulf of Calif.; Isla 
Grande, Guerrero 
Cladophora amphibia Collins 
Setchell & Gardner, 1920 
San Francisco Bay, Calif. 
Cladophora bertolonii var. hamosa (Kiitzing) 
Ardissone 
Smith, 1944 
Pacific Grove, Calif. 
Cladophora cry stallina (Roth) Kiitzing 
Dawson, 1960^ 
Bahia Culebra, Costa Rica " 
Cladophora delicatula Montagne 
Doty, 1947; Dawson, 1954 
Or eg. to San Diego, Calif.; Rio Mayo, Sonora 
Cladophora elmorei Dawson 
Dawson, 1949 
San Clemente Island, Calif. 
Cladophora flexuosa ( Griffiths ) Harvey 
Scagel, 1957 
Annettee I., Alaska, to San Diego, Calif. 
Cladophora glances cens (Griffiths) Harvey 
Scagel, 1957 
Nanaimo, British Columbia, to Oakland, Calif. 
Cladophora gracilis (Griffiths) Kiitzing f. 
gracilis 
Scagel, 1957 
Sitka, Alaska; Neah Bay, Wash. 
Cladophora gracilis f. expansa Farlow 
Dawson, 1954 
Isla Clarion, Revillagigedo Arch. 
Cladophora graminea Collins 
Smith, 1944; Dawson, 1954, 1959c; Dawson, 
Neushul & Wildman, I960 
Santa Cruz, Calif., to Isla Magdalena, Baja 
Calif.; Guaymas, Sonora 
Cladophora hemispherica Gardner 
Doty, 1947; Smith, 1944; Dawson, 1959c 
Oreg. to northern Los Angeles Co., Calif. 
Cladophora hesperia Setchell & Gardner 
Dawson, 1954, 1954*2 
Vicinity of Isla Cedros, Baja Calif.; Kino, 
Sonora, to Mazatlan, Sinaloa 
