Codium setchellii Gardner

Illustrations:

Gametophyte: Abbott and Hollenberg 1976, p. 117, fig. 80 (habit); Scagel 1966, pl. 4, fig. C (habit), fig. D (group of utricles), fig. E (group of utricles with gametangium), fig. F (medullary filament), fig. G (apex of utricle), fig. H (mature gametangium); Scagel 1967, p. 71, fig. 23:a, b (habit), c (utricles); Silva 1951, p. 82, fig. 2 (group of utricles with gametangium)

Pacific Coast Distribution:

Khaz Bay, Chichagof I., Alaska (Rosenthal and Barilotti 1974, p. 77) to Pt. Conception, Santa Barbara Co., Calif. (Silva 1951, p. 83); Channel Is., Calif. (San Miguel I., Santa Rosa I.: Silva 1951, p. 83; Santa Cruz I.: Apt et al. 1988, p. 40; Anacapa I.: Dawson and Neushul 1966, p. 174; Santa Barbara I.: Murray and Littler 1989, p. 66; Santa Catalina I.: Nicholson and Cimberg 1971, p. 377); Ventura, Calif. (Silva 1951, p. 83); San Diego Co., Calif. (Stewart 1991, p. 37); Baja Calif. (San Quintín: Silva 1951, p. 83; Punta Baja: Dawson 1949b, p. 222)

Life History:

uninvestigated, but probably with a perennial diploid macroscopic thallus producing anisogametes, zygote developing into pancake-like stage from which gametophyte eventually arises

Biology/Ecology:

D'Antonio 1986b, p. 269; Trowbridge 1992a, 1992b; Fawley 1991, p. 545; Breen et al. 1982, p. 15; Lewis 1982; Devinny 1978, p. 358; Scagel 1973, p. 131; Neushul 1965, p. 168; Widdowson 1965b, p. 1427; Silva 1951, p. 85; Rigg and Miller 1949 (as C. adhaerens)

Epiphytes:

Antithamnion densum, Ceramium gardneri, Ectocarpus commensalis, Ectocarpus siliculosus, Erythrotrichea carnea, Feldmannia simplex, Griffithsia pacifica, Herposiphonia plumula, Polysiphonia pacifica, Porphyrostromium boryanum, Pterosiphonia dendroidea

Endophytes:

Acrochaetium rhizoideum